HELP PLEASE!A boomer was . A. a railroad industrialist who established depots across Oklahoma Territory
B. a squatter who lived in Oklahoma lands illegally and had to be continually evicted
C. an oil executive who made quick profits from finding new oil fields
D. a newspaper publisher who urged the federal government to stop migrations into the Oklahoma
territories

B-A squatter who lived in Oklahoma lands illegally and had to be continually evicted.

Explanation:

A boomer was a squatter who lived in Oklahoma lands illegally and had to be continually evicted.

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.