Is the question complete??
Answer:
A. the number of people living in America
Explanation:
Population isn't the total of the people living in a particular geographical location.
Therefore, if a president has assigned to me to find out America's population, the information I would need to find would be the the number of people living in America
In the war of 1812 around 243,885 people fought on behalf of Canada
During the century that followed Pax Romana, Rome had many leaders because men were fighting for power of the empire. This time period is know as "The Crisis of the Third Century ". It was during this time that the Roman Empire almost collapsed entirely because of several combined pressures including civil war, invasions, plague and economic depression.
