Who lead chinese communist forces on the long march? 1) chiang kai-shek 2) zhang xueliang 3) hirohito 4) mao zedong

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.

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

Which of these were effects of mass production techniques used during 1920s