Can someone me out with my homework

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

When did martin luther king, jr. deliver his famous "i have a dream" speech? a. during the montgomery bus boycott b. during the birmingham campaign c. during his acceptance of the nobel prize d. during the march on washington

The communists triumphed over forces because of a well-disciplined fighting force, a single - minded sense of zeal , and strong convictions.