What atrocities did Japan carry out during WWII against certain ethnic and national groups?

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

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

Why was lee unable to escape from appomattox? he didnt not have the needed supplies grant had him surrounded davis had ordered him to surrender he was waiting for johnston to bring reinforcements