Who arrived in Newport, Rhode Island, helping Washington to turn the tide of the war?

King Louis XVI dispatched Rochambeau

Explanation:

In 1780, French King Louis XVI dispatched Rochambeau, 450 officers, and 5,300 men to help Washington and the colonial forces. They arrived in Narragansett Bay off Newport, Rhode Island on July 10, 1780

the virginia plan called for three branches of government and two houses of congress. representation in each house would be determined by population. the new jersey plan called for three branches of government and a single house of congress. each state would have an equal vote.

probally   a few days after there called