Which number represents the region with the highest population density at the end of the 1800s?

a) 1

b) 2

c) 3

d) 4

On the graph, the bottom horizontal line represents

In ohio in 1872, the cleveland massacre was a)a violent labor dispute at standard oil refineries in cleveland. b)a takeover by standard oil of the refineries in cleveland. c)an attempt to stop standard oil from becoming a monopoly. d)a failed attempt by standard oil to take over other refineries.

Before becoming president, abraham lincoln participated in a series important political debates with jefferson davis andrew johnson stephen douglas andrew jackson