Answer:
not 100% sure but I think its the first one, the west benefited from increased travel an tourism.
Explanation:
before the rail road it was very hard to get to the west,( extreme weather, raiding natives, scarce food etc.) but still many people wanted to see the west. the rail road provided a solution to most of the problems with traveling. and people jumped on (get it) the opportunity.
Became the first European mariner to round the southern tip of Africa, opening up a sea route from Europe to Asia.
The wife had to take on responsibilitys such as working in the farms and making money for the familys.
Answer:
the conflict heralded the rise of conscription, mass propaganda, the national security state and the FBI. It accelerated income tax and urbanisation and helped make America the pre-eminent economic and military power in the world. The influence and expectations of women and their role in society increased. There was a boom in the economy and industries were enjoying an increase in profits. However inflation was high and, in an attempt to reduce operating costs, businesses laid off workers and reduced wages.
I believe it was the Stock Market Crash of 1929