Which steps did Carnegie take to try to improve society? Choose all answers that are correct. He passed laws preventing child labor. He gave money to colleges and schools. He built libraries across the country. He closed down his businesses that polluted.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.