Which part of the us constitution outlines the powers of the legislative branch?

Article I of the Constitution for the United States of America specifies the legislative branch of the U.S. government.

Explanation: Because on Section 1 of that Article states: All legislative powers herein granted shall be vested in a Congress of the United States, which shall consist of a Senate and House of Representatives.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

yes he did writing dots to make the answer