As a result of the twenty-second amendment, presidents can

The twenty-second amendment states a president may not serve for more than two terms, a total of eight years. The amendment prohibits any individual who has been elected president twice from being elected again.

john locke studied medicine and he laid a lot of groundwork for the enlightenment he also contibutied to the development of liberalism

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration