Answer: Trade
Explanation: Islam origins began with trade and with the popularity of trade in the 13th Islam began to spread along the 13th century
The articles of the Constitution explicitly outline:
B - a bicameral nation legislature.
Article I, Section 1 explains how Congress is split into the Senate and House of Representatives, a form of national bicameral legislature.
During formal discussion, mental notes could help you maintain your focus/attention for the point that given by another speaker so you could give your opinion or counter argument later.
This will give the impression that you're an attentive and a competent person.
Answer:
three-fourths of the states must agree to change the constitution