What was the first constitution for Texas and why was it written

Texas was able to take more care when drafting its first state constitution. Adopted just before annexation, the Constitution of 1845 set forth Texas law in a simple and straightforward manner.

Texas was a free and independent state

Texas was able to take more care when drafting its first state constitution. Adopted just before annexation, the Constitution of 1845 set forth Texas law in a simple and straightforward manner.

Explanation:

it was written because the Congress authorized delegates to gather in Philadelphia and recommend changes to the existing charter of government for the 13 states and it was written by James Madison