How do you answer an unanswered question?‍

Select all that apply. the tang dynasty interacted with foreigners by: a letting them buy property in china. b accusing them of corruption and the downfall of the dynasty. c trading with them, especially japan and korea. d teaching them to become monks. e attacking them with military forces.

What is a firm that specializes in buying and selling stocks for individual investors called?

How and why did the policies of the federal and state governments toward native american people change between 1790 and the 1850s. what were the reaction of native american people to these policies?