I assume that the question is about the United Kingdom Parliament - since the United States does not have a "House of Commons".
However, the United Kingdom does not have a Dictator, a Shah (Iran had a shah) or a president (since it has a monarch) - so the correct answer is "prime minister" - answer c.
Answer:
Unconstitutional
Explanation:
In the Harper vs Virginia state case, the supreme court upheld that the poll tax In the state of Virginia was not constitutional. It was declared as unconstitutional following the 14th amendments equal protection law which forbids any state from the denying anyone from that state equal protection under the law in similar situations.
The correct answer is "Workers often earned less because fewer businesses were competing for their services."
A monopoly is when one company or individual has almost complete control of a specific market. For example, Andrew Carneige had almost a complete monopoly on the steel industry in the United States during the late 1800's and early 1900's. There were very few other successful steel companies that were independent of his control.
With this in mind, workers could not threaten to leave their job to go work elsewhere for better pay. This is because these types of companies simply did not exist. Many laborers were forced to take unsafe jobs to ensure they had money to pay for their homes/families.