Answer:
sacro imperio romano germánico , después los visigodos fueron los que unificaron los remanentes post imperiales
It permitted the expansion of slavery beyond the southern states.
Answer: Gold rush
Explanation: in 1848 james w. Marshall found gold at sutters mill in coloma, California The news of gold brought approx 300,000 people to California(aka Western frontier) from The rest of the United States and abroad. Including immigrants
