The people who engaged in the political revolution wanted war because they thought war would unify the country. The had a desire to spread ideas of the Revolution to all of Europe.
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The correct answer is A.) electric sewing machine
Electric sewing machines replaced hand sewing and made it so that cloth could be produced at a faster rate than ever before.
A.
They became more valuable than land.
If you owned guns then you could take any land you wanted. Therefore guns became the top most valued thing.
There were of course several people who held this view, but perhaps the most prominent was Woodrow Wilson, the President of the United States, who pushed for a much more secure Europe after WWI to prevent such things from happening again.
A. The free blacks or D. all of the above.