Pros
Exploring the unknown
Developing technology
Testing and experimenting with unknown aspect in physics -
Creating new theories
Cons
Other issues are more important
Can be a waste of money if theories can be validated
There are dangers and risk that are unknown in space
Hope it helps
Answer:
Although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792. President Lincoln had also feared that if he authorized their recruitment, border states would secede from the Union. By the end of the war, approximately 180,000 African-American soldiers had joined the fight.
Explanation: A large contingent of African Americans served in the American Civil War. 0 black men joined the Union Army: 0 officers, and 0 enlisted soldiers. Approximately 20,000 black sailors served in the Union Navy and formed a large percentage of many ships' crews. Later in the War, many regiments were recruited and organized as the United States Colored Troops, which reinforced the Northern side substant.
Women started taking over the men's jobs.
On this problem you don't need to subtract. They want to know the total amount of people who attended so you would add.
1 1 1 (carried over numbers)
12,679 (Line it up with 8491, ones place to ones place and so on)
+8,491
21170 (answer)
In search of fame and fortune, Portuguese explorer Ferdinand Magellan<span> (c. 1480-1521) set out from Spain in 1519 with a fleet of five ships to </span>discover<span> a western sea route to the Spice Islands. En route he discovered what is now known as the Strait of</span>Magellan<span> and became the first European to cross the Pacific Ocean.</span>
