To my knowledge, the correct answer among all of the given choices is C.) Steam. If I'm not mistaken, this was the time that more trains came into use.
I hope this is the answer you were looking for and that it helps!! :)
Democratic Republicans attempted to scale back Federalist programs but actually overturned few of the institutions they had criticized Bank of the United States was retained until its charter expired in 1811.
The Sumerians which was an ancient civilization from Mesopotamia were believed to be the first people to make and use a wheel. This invention is vital to many conveniences we have today :)<span />
Osman I, he founded the Ottoman empire
British authorities treated the three southern provinces as a separate region. The colonial administration, as it consolidated its southern position in the 1920s, detached the south from the rest of Sudan for all practical purposes.