Here are the answers of the given question above.
North America was so valuable and desired by both the French and the English because North America was critical for the global authority of England. William Pitt was the one who made North America become important to other party's territories. His strategy focuses on the naval warfare and also the conquest of North America.
To suppress black republican voters and poor white republicans from being able to register to vote which pretty much eliminated the republican party in the south for decades and the democrats gained one party control through the southern states.
The United States wants Japan to get rid of the clause. The reason behind them wanting to do this is for Japan to rise in the region in response to China. China is becoming very powerful in the region and has a lot of influence over the region and the US would like Japan to deter China's influence.