What "ground rules" for imperialism in africa were formulated at the 1884-1885 congress of berlin?

Describe the causes and effects of the war powers act.

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countries in an effort to build a stronger team. after learning this, the second team begins its own recruitment campaign to find even better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rival's most recent addition. which idea from the cold war is most similar to this scenario?

Geographical features such as mountains and rivers allowed the ancient civilizations of india and china to flourish. which two statements support this idea?