What was the name of the social and political system that held japan together from 1400 to 1800 called?

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?

How different might ayuba's experiences of slavery have been had he been sold in jamaica rather than maryland?

How does this cartoon represent an argument for the ratification of the constitution