D. Fords revolutionary use of the assembly line to make less-expensive cars.
Explanation:
The immediate impact of the assembly line was revolutionary. The use of interchangeable parts allowed for continuous workflow and more time on task by laborers. Worker specialization resulted in less waste and a higher quality of the end product. Sheer production of the Model T dramatically increased.
With respect to global connections, association with "the European Union" offers the brightest immediate future for many African countries, since this union is comprised of a variety of countries with economic ties to Africa.
