As part of efforts to stimulate economic development in africa, the gates foundation announced that it would provide cellular phones to farmer cooperatives. the gates foundation recognized that problems in exist in many african markets.

communication

Explanation:

Communication Economics and Development:-

It aims to formalize and determine a methodology in order to integrate the variables of different communication into the economic development models.

Thus, in the given case study:-

In order to stimulate the economic development in Africa, the foundations recognized the problems in communication and thus offered cellular phones to the farmer cooperatives so to improve the economic levels in the African markets.

its b i looked it up hope u get it right wish u luck

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."