Answer: Wars between Christians and Muslims over control of the Holy Land.
Atlantic Ocean reason I just need the points so this might be wrong
The last one. The south was known for farming so the last one doesn’t make sense
Answer:
The modern use of chemical weapons began with World War I, when both sides to the conflict used poisonous gas to inflict agonizing suffering and to cause significant battlefield casualties. ... Chlorine, phosgene (a choking agent) and mustard gas (which inflicts painful burns on the skin) were among the chemicals used.
