How did the second continental congress make preparations for war ?

The Second Continental Congress established the militia as the Continental Army to represent the thirteen states. ... To prepare for war the Continental Congress would appoint George Washington as Commander In Chief and act as a central government and put together an army for the colonies defense.

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.