The primary factor was Islamic expansion into formerly Catholic or Eastern orthodox lands. There was constant war between Europeans., in which they instituted grassroots movements called the "Peace of God" and the "Truce of God" henceforth restricting warfare in Europe. This caused many knights to go to Spain in order to fulfill their knightly roles (due to fighting the Muslims).
Answer:
<u><em>Legislative:</em></u>
The Legislative branch makes the laws. It is made up of members of Congress, which is split into the Senate and the House of Representatives.
<em><u>Executive:</u></em>
The Executive branch is made up of the President, Vice President, and Cabinet. This branch carries out the laws.
<u><em>Judicial:</em></u>
The Judidical branch, made up of the Supreme Court and other Federal Courts, interprets the laws.
The first two battles were the Battles of Lexington and Concord, fought on April 19, 1775 and they were located in Massachusetts.