Can someone answer questions 3 and 4 need answers asap

Which product would have been most likely to have been traded in this area at this time?

Will mark brainliest to quickest answer which of the following is true about interest groups? a. always support one candidate b. not involved in elections c. may pass new laws d. ineffective in the states

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?