Answer:
Harriet Tubman was an American abolitionist and political activist. Born into slavery, Tubman escaped and subsequently made some 13 missions to rescue approximately 70 enslaved people, including family and friends, using the network of antislavery activists and safe houses known as the Underground Railroad. During the American Civil War, she served as an armed scout and spy for the Union Army. In her later years, Tubman was an activist in the struggle for women's suffrage.
Explanation:
A. Polar regions. Explorers didn't start getting close to the ice caps until a decade or two before world war 2 started.
True, because we didn't want anyone knowing our business.<span />
