What highly respected american war hero and general came out of retirement to
oversee the constitutional convention?

a. benedict arnold
b. george washington
c. horatio gates
d. andrew jackson

what is the "this" there is no picture

do you have a list of sources to choose from?

question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering