But America s strategy has failed.

Such activities have proven to be successful.

Sadly, his prediction proved correct.

The facts have shown the opposite to be true.

Events are showing that to be so.

Vietnam proved to be the end not the beginning of the line.

By and large, that prediction has proven to be correct.

Even the experiment with electronic voting machines was a qualified success.

The crisis proved that this was inadequate.

Two decades later, these efforts have proven to be a spectacular success.

The last few years demonstrate that neither approach will work.

Regulators proved unable to forecast and prevent the crisis.

The UN process worked. It was US policy that failed.

It has shown that it can defeat Georgia s army.

Only Einstein's theory proved to be consistent with experiments and observations.

That has proved very beneficial and will be continued.

The Iraq War proved costly to American soft power, with the US losing about 30 percentage points of attractiveness on average in Europe, including in countries like Britain, Spain, and Italy, whose governments supported the war. The recent photographs of detainees being abused and sexually degraded in Baghdad's Abu Ghraib prison added fuel to the fire.

But huge damage was done in 2001, when then Prime Minister John Howard s government refused to allow the Norwegian freighter MV Tampa, carrying 438 rescued Afghans from a distressed fishing vessel, to enter Australian waters.

Brazil has demonstrated the ability to be a technological export power.

Repeated studies have shown that well designed buildings are more comfortable.

These experiments clearly proved that the telephone could work over long distances.

Both the aircraft and the squadron proved adept at low level attacks.

People's attention span after 18 minutes begins to drop off, tests have shown.

Finally, America s global hegemony has proven to be a curse as well as a blessing.

As a long term strategy, energy embargoes have always proven to be futile. Saudi Arabia saw its share of world oil exports drop sharply in the 12 years after the 1973 1974 embargo.

The 1992 crisis proved that the existing system was unstable.

But experience has proven that this approach leads nowhere.

Democracies have proved to be much more peaceful than authoritarian regimes and dictatorships.

His actions this week show that he is Russia s new autocrat.

These programs have been shown to increase enrollment and attendance.

But the campaign is also proving the resilience of classical politics.

After 40 years of bloody internal conflict, this proved a winning strategy.

But events and economic research since the crisis have demonstrated three things.

The studies have validated the ECW measures and identified numerous good practices.

In Bolivia, a different study has also documented the existence of forced labour against indigenous people.

Past tragedies have shown that the world's attention span is, unfortunately, relatively short.

In Germany, the post 2000 reforms that reset the economy s productivity, flexibility, and competitiveness have proved crucial to the country s current economic strength and resilience.

Why should they change systems that proved so resilient?

It takes time to set down roots, as the successful cases of Southeast Asia demonstrate.

The first days of the conflict in Georgia crushed this hypothesis.

TEL AVIV Revolutions throughout history have proven to devour their children.

Events have shown that this policy leads to an escalation of violence.

Material evidence had later proved that those confessions had been based on false testimony.

This year s World Cup has proven once again that football is the world s most popular sport it has also proven that football is probably the world s most globalized profession.

Repeated psychology tests have proven that telling someone your goal makes it less likely to happen.