Which statement accurately describes Sigmund Freud? He was a scientist who developed vaccines to provide immunity from contagious diseases.

He was a Postimpressionist painter who liked to show strong emotion in his works.

He was a doctor who probed the workings of the conscious and unconscious mind.

He was a merchant who popularized catalog sales to people in rural areas.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

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.