Answer:
the eastern part it's popular in the world
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.
Think of it as a giant chain. You have the President at the top, then followed by the vice president, and so on to the bottom of the chain. if the first link of the chain is broken, then you replace it with the chain link below it. So, the Vice president would replace the President, the Speaker of the House of Representatives would replace the Vice President, and so on.
The answer is true ......
