What national missionary body had existed prior to the founding of the Southern Baptist Convention, that Baptists from the South had participated in

answer; (a) he was a u.s senator for 38 years;

the answer is use of support  

he believed that congress would be better not dealing with "lobbyists", or people who seek to influence (a politician or public official) on an issue, since historically, they had problems with these kinds of people. he thought lobbying produces benefits, but should be carefully monitored.

the structure was most likely used for;

c. playing a ball game with stone hoops