Many african cultures had griots. what was their function? a. they were singers who kept track of governmental and historical information, passing it on in song. b. they were solo performers of complex instrumental music. c. they were slaves. d. they were healers

Hai,the answer is b.)  a founder of the baroque style in francegoodluck!   ʕ￫ᴥ￩ ʔ

The most basic method for controlling horizontal sway is to simply tighten up the structure. at the point where the horizontal girders attach to the vertical column, the construction crew bolts and welds them on the top and bottom, as well as the side. this makes the entire steel super structure move more as one unit, like a pole, as opposed to a flexible skeleton.