The u. s. became a superpower around the turn of the twentieth century. this was because the u. s. was able to create a stepping stone to the commerce of

all of the following apply except for (a. excessive credit on real estate resulting in defaulted loans.

in 1819, panic swept the country due,in part, to the rapid expansion of american manufacturing during the war of 1812 and the distress caused by the post-war british competition. the rapid expansion of american farming was another factor.

explanation: