Why did the conflict in korea escalate?
a. north korea invaded south korea.
b. the u. n. became involved in the conflict in an attempt to stop war.
c. the united states sent in troops and medical units to support south korea.
d. it escalated for all of the above reasons.

Ineed to have answers for numbers 2-4 reply to this question

Why would the isolation of buddhist monks contribute to the religion’s decline?

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.