Answer:
Correct Answer:
The rapid growth of urban America and the influx of millions of immigrants.
Explanation:
During the late nineteenth century, there was a great control of the political machines by few individuals. They helped in determining the direction an election would swing to through their political networks and contacts.
<em>These political bosses were able to control such political machinery as a result of the rapid growth of the urban America. Also, the influx of immigrants from China, Europe and other parts of the world helped towards this.</em>
Answer: Tanks and military-grade planes
Explanation: Imperialism was about almost everywhere in Europe at the time and around that time most European countries had territories in Africa which lead to constant fighting for the land there. What this lead to was intense fights between nations by them creating proxy wars (militias/Rebel groups) to fight against each other which were being supplied by that country that wants more land for them self. With that it lead to Archduke assassination which lead countries to declare wars on one country which then would mean they would declare war on multiple countries in realty because countries would ally each other and the domino effect went down hill from that. So Archduke assassination was just really a "reason" to fight with another nation for more land (resources).
The Steel Business!
Hope this helps and have a good day!