How was the yuan dynasty different from the ming dynasty

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

What was the plight and fight of the following groups? labor farmers native americans african americans women immigrants ~ ap u.s. history (period 6: 1865-1898)

The 1884 amendment added onto the chinese exclusion act included what additional stipulation? the law would apply to ethnic chinese regardless of which asian country they originated from. the law would provide newly arrived chinese immigrants with land in the oklahoma territory. the law would establish all chinese americans as permanent aliens and deny them citizenship. the law would prohibit chinese immigrants from reentering the united states once they exited.