Answer:
C. Neolithic
Explanation:
The Neolithic era was where there were many Agrarian societies, which also happened to be the most organized era. This was the beginning of the stone age, where farming really started and the domestication of farm animals.
Unlike Britain, France, Russia and the United States wanted to keep trade in China open. It might be added that it was the U.S who implemented the "Open Door Policy" with China in the first place.
The answer to your question is c
The appropriate response is Dred Scott v. Sandford. This was a point of interest choice by the United States Supreme Court on US work law and established law. It held that "a negro, whose precursors were foreign made into [the U.S.], and sold as slaves", regardless of whether oppressed or free, couldn't be an American native and subsequently had no remaining to sue in elected court;and that the government had no energy to direct subjugation in the elected domains gained after the making of the United States.
D. They moved west looking for work picking crops in California
