By "3 branches" I am assuming that you mean the three branches of the US government. The branches are the legislative, judicial, and executive branch. The legislative branch makes the laws, the judicial branch makes sure that the laws are constitutional and is also the Supreme Court, and the exectutive branch is the President, the Vice President, and the cabinet members.
The separation of powers between the three branches of government is assured by having distinct roles for each branch. The three branches of government are executive, legislative and judiciary..
veto
it's different beliefs and religion
You can find out about the different branches of Buddhism here: http://en.wikipedia.org/wiki/Schools_of_Buddhism
legislative makes laws whereas executive implements it
Compare and contrast the three branches of the Arizona state government with the three branches of the federal government.
its epic
The three major religious groups in Bosnia are Bosniaks (Muslims), Serbs (Orthodox Christians), and Croats (Catholics). Bosniaks adhere to Islam, Serbs are Orthodox Christian, and Croats are predominantly Catholic. These religious differences have historical and cultural significance in addition to shaping individual identities and communal relations in Bosnia.
That depends on what three 'economies' you are talking about.
the all smell of poo
It recognizes fundamental differences in prokaryotes.
checks and balances