Identify and explain five factors that contributed to the U. S. supporting the allies?

the first was a German I-boat sinking a American British cruise liner killing many Americans. Next Germany started sinking American merchant ships and looting them. Third Germany set a blockade making it harder for the us to trade with other countrys. Fourth we had strong ties with the British and many allies and had American business that we wanted to protect in allie land. Faith many German Americans and Americans began to hear what Germany did to Belgium a neutral country.

Explanation:

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.