Amarket ? 1) exists whenever buyers and sellers exchange goods and services. 2) does not involve monetary transactions to buy goods and services. 3) only includes squares set up in towns to sell goods and services.

They made a checks and balance system to equal power within the branches. the "check" meant that one branch would watch one branch and "balance" them if they were too powerful. if you want more info on this, i would just google checks and balance system.