O aparecimento das primeiras civilizações caracteriza-se por um conjunto de transformações complexas que se deram por volta de 4300 a. C.. Indica pelo menos três (é uma pergunta de historia de Portugal do 7 ano)

the answer is choice (b)

the correct answer is "ethnic heritage".

a person's ethnicity can influence a lot the way he/she votes.

in the united states, for example, black people tend to vote democratic. it happens because the society builds a strong division among people, and equals tend to mingle and support equals. black people's votes in a whole will most certaintly lean towards a candidate or a party which supports the fight against racism.