One way that campaign workers communicate information during a campaign is by making speeches.
canvassing a neighborhood.
donating money.
volunteering at the polls.

A. giving speeches

Explanation:

When someone is communicating there is no greater way than for them to give a speech!!

b. making speeches

Explanation:

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

yes they have. but is this a true false question? if it is, the answer is true.