Final answer:
Stephen F. Austin attended the Convention of 1833 and helped construct the newly proposed constitution for Texas.
Step-by-step explanation:
The new delegate who attended the Convention of 1833 and helped construct the newly proposed constitution for the state of Texas was Stephen F. Austin. He played a crucial role in the fight for Texas independence and was a prominent figure in the early years of Texas history. Austin is often referred to as the "Father of Texas" due to his significant contributions to the state's development.
Learn more about Stephen F. Austin's role in the Convention of 1833 and the constitution for Texas