How did railroads help to “conquer the West?”

(a.)Their expansion convinced Jefferson that Louisiana would be a good purchase.

(b.)They were used by the first group of Americans to travel west of the Rocky Mountains.

(c.)They connected the country by moving people and goods across great distances.

(d.)They were a platform the United States military used to conquer and control Indian tribes.

Iwant to be an engineer but cant do math for the life of me, but i also want to be a cop. "what should i do"

Which of the following governments is the most unrealistic for the people the dynasty government the confucian government the mauryan government he legalistic government

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u.k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u.s. entered the war; military targets were bombed afterward