Why was Japan so successful in expanding its territory in 19422

What is the main idea of this excerpt? 1.1.3

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.

Name at least three major issues for women in indonesia