He challenged them to expand further their cooperation in that area.

The nature of the metaphor itself is challenged, with White and Le Cornu (2011) drawing attention to the difficulties that a language based analogy introduces, especially when then linked to age and place.

In the 1968 presidential election, McCarthy was the first candidate to challenge incumbent Lyndon B. Johnson for the Democratic nomination for president of the United States, running on an anti Vietnam War platform.

He has also reduced the resources channeled to certain religious institutions, helped those in his circle to establish private banks by easing regulations, and challenged Iran s most powerful economic and military institution, the Islamic Revolutionary Guards Corps (IRGC).

As the two brothers sat on platforms together, challenging each other s views, they tried to maintain the double fiction that, on the one hand, there was no special bond between them, and, on the other, that their sometimes fierce disagreements did not taint their fraternal affections.