Most of Africa is hot, so I'd say climate change
Answer:
An amendment must be ratified by either the legislatures of three-quarters of the states or state ratifying conventions in three-quarters of the states.
In 1911, California voters approved the constitutional processes of initiative, referendum, and recall. Through these processes, voters can adopt a change in law (an initiative), disapprove a law passed by the Legislature (a referendum), or remove an elected official from office (a recall).
It inspired colonist to elect their own government. when ever you think of enlightenment, think if the phrase "We The People "