Qué propósito tenía: utilitario, ritual, religioso, económico? (chac mool fuente material)

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office

some american cities felt workers were being oppressed by business monopolies

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.