Puritan theocracy-Give views on how war with Mexico was provoked by the U.S in order to gain territory in the Southwest and California

Write your views on the given statements which can be expressed

1. The Puritan theocracy in the New England colonies is the basis for the desire of many modern religious conservatives to have the U.S officially declared a Christian nation.

2. The war with Mexico was provoked by the U.S in order to gain territory in the Southwest and California.

3. If the south had been allowed to leave the union, slavery would have been eventually ended anyway.