What did north Vietnamese and USSR do that pulled the US into the conflict?

How are the freedom of religion and the freedom of assembly alike? both involve the freedom to express oneself. both were an original part of the constitution. both were practiced by the early puritans. both were denied to immigrants.

According to the map, most mining occurs in the a.northern b.southern c.eastern d.western

Which phrase best fits in the blank box? wasted government money gave citizens government money encouraged people to vote supported government investigations