Supplementary compound used the Native Americans as contractors.
He is going to build a wall to immigrants out.
Answer:
1) True
2) False
3) True
4) True
5) True
Explanation:
1) No doubts. It was an electric revolution. Until the arrival of the electric light, in addition to being poorly lit, in the houses there was a risk of fire and pollution. So when the light came with the turn of the century, that change affected not only everyday life but also industry and all aspects of contemporary society.
2) it was Nicola Tesla
3) Yes. The companies agreed to divide the continent into four time zones; the dividing lines adopted were very close to the ones we still use today
4) It was a great monopoly
5) Andrew Carnagie bought rival companies and pioneered the use of an economical and efficient method to convert iron into steel on an industrial scale. That was how Carnegie's company came to dominate steel production in the US.
The major challenges to historical research revolve around the problems of sources, knowledge, explanation, objectivity, choice of subject, and the peculiar problems of contemporary history. Sources The problem of sources is a serious challenge to the historian in the task of reconstructing the past.
Diseases and insects would take out crops in less than a week, so tobacco farmers had to inspect their crops everyday. I hope this helped.
