Answer: “The Black Star Line”: Singing a Song of Garveyism. African-American soldiers returned from World War I to face intensified discrimination, segregation, and racial violence.
Explanation:
A.Irrigate
They need to make an irrigation system to water their crops
Rome managed to overcome it's difficulties with having issues in it's leading structure and the highest chain in command; namely Roman generals at the time wanted glory for themselves which prevented them from beating Carthage for some period together with the fact that Carthage had the incredible general Hannibal. After they consolidated and joined forces together, they were able to beat Carthage after a campaign of war.
It's true.
Also it means
1. desegregated, especially racially
2. with various parts or aspects linked or coordinated
3. indicating the mean value or total sum of a variable quantity of property
B.during the period of Viking,Magyar and Muslim invasions.