The correct answer is the Canadian Rebellion
It was an event in 1837 in which the Lower and Upper Canada had a series of rebellions against Britain because of the way they were treated as colonies. This brought them on the Brink of war with the United States for various reasons, mostly about Britain controlling areas on the New World and the fact that Canada didn't look the same as it does today.
The representative will realize that pollution is an issue important to the people he represents (APEX)
It left he nations with the choice to declare their independence.
Explanation:
Most of the nations of the eastern region had declared their independence from the mother state of USSR and its communist regimes right after the fall of the USSR.
This was done when they got the free choice to do so if they pleased and the majority of the states had simply opted out.
There was a sense of dissatisfaction among the people with that mode of governance and they had seen the developed of the Democratic countries and wanted it for them.
The states had thus chosen for democracy