How many racial categories did the 1850 u. S. Census make available?.

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.

the right answer is d) a conference committee. it is a temporary panel formed by house and senate members in order to reconcile differences in legislation.

companies passed on production and transportation costs to consumers