Answer:
emigration or increase in death rate
Explanation:
emigration is leaving ones place of living, which would explain why the population is going down, and an increased death rate means more individuals are dying than the birth rate can keep up with, so the population would be going down as well. so, the answer is number one.
The dep. of Treasury (most likely), it has existed since Washington's presidency.
Algeria is where he began teaching. He taught about Christianity and so forth.
