In colonial america, enslaved workers who received manumission

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

How was the u.s. economy different from european economies following world war 1?