The three causes of the Mexican American War was because Texas gained its independence from Mexico in 1836.
The shang dynasty is the earliest ruling dynasty of china to be established in recorded history, though other dynasties predated it. the shang dynasty ruled from 1600 to 1046 BC. they were known for advances in math, astronomy, artwork and military technology.
This was a time of ongoing religious wars known as "Holy Wars". The capital of the Byzantine Empire, known as Constantinople, had fallen at the hands of the Turkish Ottoman Empire, who practiced the Muslim faith.
As a response, the western Christians gathered in arms and started a series of military campaigns known as <em>"The Crusades"</em> with the objective of retaking territories that were currently under Turkish (Muslim) control in the name of God. Spain had been one of these conquested territories, so at the time, people living in the Iberian Peninsula could be either Christian or Muslim.
