Answer:
Boolean logic or Boolean algebra
This logic stated that there are universal laws of reasoning which can be boiled down to being mathematical in form.
D) the lines are parallel and measure the distance North and south of the equator.
Commonly referred to as the "Pennsy," the PRR was headquartered in Philadelphia<span>, Pennsylvania. The PRR was the largest railroad by traffic and revenue in the U.S. for the first half of the twentieth century.</span>
No, buffalo soldiers were African-American cavalry soldiers.
Moved to Richmond, Virginia.
