Expanded trade, regional empires, and increased global trade are all effects of which of the following

Expanded trade, regional empires, and increased global trade are all effects of alliances and conquest.

You will need close allies to trade regionally in the beginning of the stages of the empire. 

Afterwards, you will have to conquer other people to become a regional empire.

Lastly, you would have to trade with globally for more allies that are much more powerful

hope this helps

C.east asiais the answer.