Using Source 1, which statement describes the most significant effect of Iberville's actions on behalf of his country?
A
Spain brought its first colonists to the territory of Louisiana.
B
The first French explorers traveled on the Mississippi River.
с
France established its first colony in the territory of Louisiana.
D
The first Spanish explorers founded a colony in the Mississippi Valley.

C I believe

What source

Explanation:

The false statement here is :

b.

Secessionists in Texas often intimidated Unionists into not voting against secession.

Explanation:

Although Texas was at the forefront of the movement of Secession it had not grown so far as to become violent for the people who did not believe in it yet.

A sizable number of people in Texas  were in favor of the union and remained so for the long duration of the war.

During the Act and the Convention this faction was led by the Governor of the state himself so there was no possibility of a complete rebellion that would make such cases of violence possible.