Question

To become a state, people in each territory write a constitution

Answer 1

Answer:

In some cases, an entire territory became a state; in others, some part of a territory became a state. ... Upon acceptance of that constitution, by the people of the territory and then by Congress, Congress would adopt by simple majority vote a joint resolution granting statehood.

Explanation:

So yes, to become a state, people in each territory write a constitution.