Please give me the answer alongside a detailed explanation.

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.

Which of these was not a part of the english bill of rights? people could bear arms. monarchs could create taxes. monarchs could not suspend laws. free speech was ok in parliament.

Someone who accepted the beliefs of social darwinism would have also agreed with which of these statements?