There were several major things that contributed to the unpopularity of President John Quincy Adams, but the best option from the list would be "<span>his successful attempts to raise tariffs on imports"</span>
Answer:
The factor being manipulated is the amount of water. Tree size depends on water. So tree size is x and water is y. X=dependent variable
y= independent variable
In 1832, Parliament passed a law changing the British electoral system. It was known as the Great Reform Act. This was a response to many years of people criticizing the electoral system as unfair. For example, there were constituencies with only a handful of voters that elected two MPs to Parliament.
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Because of the Cuban Missile crisis, Russia (USSR) gave a Cuban dictator Fidel Castro nuclear missiles and the USA was not having it. The missiles were a short ranged ballistic missile that could hit important key states.