Answer:
Russia mobilizes its forces on Germany's eastern borders.
Explanation:
They were all on the border of the two sides and all of them had reasons to go both ways in the conflict.
D. Transformation.
There was CHANGE happening during the Industrial Revolution (i.e. farm work to machine work). So the economy was changing aka "transforming".
A revolution would be a synonym for a rebellion/uprising/upheaval if we were talking about an event like the French Revolution (French poor were rebelling against the rich Royals).
<u>Answer:</u>
Out of the following, poor immigrants were found in slums that are developed in large American cities in the late 1800's.
<u>Explanation:</u>
There were places in the United States that were once slums but with the advent of industrialisation, the same slums grew into large and developed cities.
These slums were originally inhabited by poor immigrants but as the employment opportunities multiplied rapidly, prosperity automatically fled these slums and its inhabitants no longer stood poor.
Q1. Which period?
Printing out art made it easier for artists to mass-produce their art (or at least replicate their work at a faster rate), and take less time doing it as well.