<span>The most powerful medieval pope was Pope Innocent III. He "reigned" for 18 years, during the end of the 12th century until the beginning of the 13th century - 1246 when he died. He was very powerful during this time, and had a strong influence even over kings whose countries practiced Catholicism. which is basically all of Europe. He was also the one who started the Crusades to fight Muslims. </span>
Mississippi was first explored for Spain by Hernando de Soto. <span />
Answer: It ended the labor shortage, as war veterans went to work on the railroad.
Answer: simple sugars that the plant uses as fuel
Explanation:
In a prominent model of self-administration developed by George Koob, rats are allowed to self-administer cocaine for either 1 hour each day (short access) or 6 hours each day (long access).