Mansa Musa was the ruler of Mali, a Muslim African empire.
He was a devout Muslim, who took a Hajj, which is a spiritual journey, to Mecca, the birthplace of the prophet Muhammad.
All Muslims are required to take this Hajj at least once in their lifetime.
The Hajj is one of the Five Pillars of Islam, along with Shahadah (Faith), Salat (Prayer), Zakāt (Charity), and Sawn (Fasting, usually during the month of Ramadan).
It helped the textile industry because now we could make twice as much in half the amount of time.
Reagan's response to the Soviet policy of glasnost was the cold war
A positive result of the protest during the Arab Spring was that the leaders of three countries were forced out the power. These were the leaders of Egypt,Tunisia and Yemen.
#1: The need to expand even after the frontier vanished
#2: The increasing importance of foreign trade to the American economy
#3: The motive to compete with European empires for power