explain when and where modern-day policing first came to America and what it's primary challenges were

where are the answers

explanation:

be cause we need them

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.