What are the various natural barriers of china

Me < 3 there are multiple ‘3rd party’ political parties in the us. what are the benefits of having 3rd parties? what are the disadvantages of being a member of one? would the u.s. benefit if there were more 3rd parties created, more support for the current ones, or would it be best to get rid of them altogether? why?

True or false president andrew johnson granted pardons to thousands of southerners.

Which of the following best describes the difference between a nation-state and a city-state?