Why was the development of mathematics in egyptian society 1.children needed an education 2.it regulate commerce and trade. 3.taxes could be more accurately assesed. 4.surgical procedures could be done. 5.better buildings could be built. 6.craftsmanship rose in importance. (i have to choose more than one question)

2. it helped regulate commerce and trade
5. better buildings could be built

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.