In the lead up to World War I, many countries and colonies were forced to join any conflict that broke out in Europe because: They did not want to appear weak.

Their sense of honor and justice.

They feared the German Empire would take over the region.

They had agreed to treaties and alliances promising to back one another in war.

just need the points

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.