The correct order of the Stone Age Eras earliest to latest

When the ottoman empire weakened, europe reacted by building a canal for trade with the ottoman region. ottoman nations achieve independence. cutting off most trade with the ottoman region. trying to take more control of ottoman lands.

What man proposed a solution to the issue of slavery in the territories suggesting the idea of popular sovereignty

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?