Answer:
Achievements of the Harappan civilization included all of the following except Indoor plumbing
Convincing the American colonists it was time to break away from England's rule and abusive monarchy.
Answer:
In this system, the head of government and parliament is the Prime Minister. Rather than participating in a general election, Parliament elects the Prime Minister. Citizens elect the members of Parliament. Additionally, Parliament makes up the legislative branch of government
Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.