Final answer:
After the first Crusade, the Crusader States were set up by the Christians in the Holy Land. These states included the County of Edessa, the Principality of Antioch, the County of Tripoli, and the Kingdom of Jerusalem. These Crusader States were autonomous territories that the Christians controlled.
Step-by-step explanation:
After the first Crusade, the Crusader States were set up by the Christians in the Holy Land. These states included the County of Edessa, the Principality of Antioch, the County of Tripoli, and the Kingdom of Jerusalem. These Crusader States were autonomous territories that the Christians controlled.
Additionally, trade and commerce flourished during this time, resulting in the establishment of ports for trading. Merchants from Italian city-states like Venice and Genoa benefited from the crusading movement and established their mercantile outposts in cities like Constantinople, Antioch, and Acre.
Therefore, the correct answer is B. Crusader States that the Christians controlled and D. Ports for trading.