What was the rule of succession to the office of caliph during the abbasid?

the statement the greek philosophers aristotle and plato would be most likely to agree with is statement c, a countries leader should be motivated by the common good of the country.

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.