Who said the best goverment is a direct democracy where all citizens make the laws

Which of the following was the most important interest for a factory? design losses peoples moral hiring

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.

What is intervention ? in government terms