Can you help with number 9 and 10 pls

What are the two powers that the federal and state governments share?

The 20th century was characterized by increasing globalization describe some of globalization major effects then identify whether the effects of globalization were better for developed countries or developing countries

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