Answer:
im sorry im not christian but ill find a way to help
Explanation:
I believe it'd be a. I hope this helped
The correct answer is A. Technological advances such as s<em>team power, air brakes, automatica lubricators and steel tracks</em> have affected the railroads very positively, since it has made it possible that the rail network could become a safer, more efficient and more reliable means of transportation for goods.
D. Constitutional Monarchy
William and Mary had agreed to the senators of parliament to increase the power of the government rather than the monarchs themselves.
