Answer:
Poor working conditions and low wages
Explanation:
During the 1800s, there was experienced rapid industralization.
The set up industries needed both skilled and bnon-skilled labour for their operations.
Most of the Population resorted to jobs available in the industries.
Due to the emergence of the working and ruling classes, the workers felt oppressed by the emeployers.
In a abid to pull together and fight for their rights, laboures formed labour unions to adress their issues among them being poor working conditions and low wages.
A historian using the thinking skill of primary source analysis might try to "get in the mindset" of the writer or speaker of the source in question, in order to gain more insight into their life and environment.
Answer:
An alliance is a union or association formed for mutual benefit, usually between countries or other organizations. This is seen as one of the causes of WW1 because countries involved in the developing conflict brought their allies into it as well. Serbia relied on their allies such as Russia, France, and Britain, while Austria called on the Ottoman Empire and Germany.