The time frame is slightly important. Though for the most part that is false. The Chinese leaders did not see the need to interact with outside societies as they had little reason to trade.
b. False
https://www.quora.com/What-gifted-musician-was-heavily-involved-in-the-1960s-Civil-Rights-Movement-with-Martin-Luther-King-and-Caeser-Chavez try this link, someone asked the question here
D. Development and Humanitarian assistance accounts for 44% of all United States Aid
For Number 1, the Dred Scott Case said <span>a slave who had spent part of his life in non-slave territory, could not sue for his freedom in a federal court.</span>