An opinion research firm wants to find the country's reaction to a speech by a famous politician. they randomly select six states, then randomly select ten zip codes from each state. fifty people from each zip code are randomly selected for the survey. this is an example of

answer; i believe the correct answer is (the willamete valley);

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.