Europe's economy improved significantly as new roads and infrastructure were developed.
Former Roman lands were split up and claimed by Germanic kingdoms.
There was a definite decline in Christianity, its followers, and its spread across lands.
Trade increased in the West, resulting in an end to the recession taking place at that time.
Raw materials
Workers
Capital
I hope this helps(:
OPEC was protesting because the U.S. was supporting the Israeli military leader during the Yom Kippur War.
Less battles were fought in Texas.
