Answer:
Secondary source.
Explanation:
This is because it isn't the account of someone who was in WW1, or someone who was a part of the First Mexican Empire.
Answer:
Colonists had to struggle to grow enough food to meet their needs
Explanation:
The correct answer is (d.) a place where Muslim philosophers met to contemplate life. The House of Wisdom was actually a major intellectual center for well-known scholars during the Golden Age that made many remarkable contributions to the diverse fields.