Pollution Overcrowding Spread of disease Unsanitary conditions 22. The consequences listed above are a direct result of new transportation system b. nativism c. free enterprise d. rapid urbanization​

Answer and Explanation:

I believe the answer would be D..

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.