Im really struggling
1. how did horizontal integration change the way business was done in america?
2. which of the following was the main policy of government toward big business in the late 1800s?
3. what was one effect the growing railroad industry had on the country?

1: D Andrew Carnegie

2: B Large companies grew larger by merging with other companies or acquiring them

3: B laissez-faire

4: A Markets went from global to national as goods could be sold across the country

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation: