As xenophobia reached new highs right before the start of american involvement in world war i, the immigration act of 1917 halted immigration from most asian countries into the united states, formally the exclusion was ended by the mccarran-walter act in 1954.

a) true
b) false

What from the columbian exchange had perhaps the biggest impact on the world?

Select all the correct answers. what were two effects of the french revolution in france?

10 points per question and brainlist 1. name four of the ruling dynasties of china. describe at least three contributions to society from each dynasty. 2. why did the qin ruler zheng burn chinese literature and philosophy books? how did the han dynasty establish a strong and effective government? why did people rebel against the sui rule? 3. what new technologies were invented during the tang dynasty and fully developed in the song dynasty that would eventually have a great impact on the world? explain why this technology had such an impact. 4. who were the invaders that seized control and took over the song dynasty? 5. how was china's history affected by its policies of isolation from the outside world during the ming dynasty?