What was the monroe doctrine?

a) a statement of the united states foreign policy regarding protecting independent nations from european invasion

b) monroe's policy of not allowing congress to be involved in decisions regarding foreign affairs

c) a statement that established the second national bank

d) a speech monroe gave to encourage americans to vote for him

answer: what was the us involvement in ww1? although the u.s. tried to remain neutral when ww1 broke out, it finally joined on april 6, 1917 after declaring war on germany. the reason for america to become involved in ww1 was germany's unrestricted submarine warfare, which had already sunk several american merchant ships.

explanation:

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else