Most of it sounds pretty good. Maybe reword it like this if you're wanting to switch it up. Like I said, it sounds pretty good as you have it though.
Religion shaped the structure and social caste of the four River Valley Civilizations because the Mesopotamian and Indus River Valley priests held vast amounts of authority and were considered to be head officials of the civilizations' primitive forms of Democracy.
Answer:
"Brown Bess" is a nickname of uncertain origin for the British Army's muzzle-loading smoothbore flintlock Land Pattern Musket and its derivatives. This musket was used in the era of the expansion of the British Empire and acquired symbolic importance at least as significant as its physical importance.
The key factor which fueled competition between European countries for colonies in the Americas was C) the desire to control sources of gold and silver. Although Europe did have certain resources, it had definitely depleted itself in gold and silver and there was a sort of race between the big European super powers to enrich themselves as much as they could. This can be especially seen with the silver mines in Mexico which both the Spanish and the French wanted to acquire.
Harun al-Rashid (786 to 809) who encouraged arts and learning.
