Answer:
The railroad was the mean of transport to new settlers going to the Great Plains in the west who sent crops and grain to cities in the East.
Explanation:
The railroads impacted the migration to the west and helped expanded the country while exchanging crops and grain to the more populated cities stablished in the east.
1639
Is the correct answer
Islam gained momentum during the 10th century in West Africa with the start of the Almoravid dynasty movement on the Senegal River and as rulers and kings embraced Islam. Islam then spread slowly in much of the continent through trade and preaching.
Answer:
The Renaissance started because of increased wealth, greater cultural exchange, and a renewed interest in classical works and philosophies. ... This sparked the Renaissance, a period cultural and artistic renewal that challenged established ways of thinking and eventually spread throughout Europe.
Hajj (pilgrimage) is the answer I think
