. can someone help me

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.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Who was the leader of the black nationalists in the 1920s?