Answer:
The expansion and intensification of long-distance trade routes often depend on environmental knowledge, including advance knowledge of the monsoon winds
One effect of Reconstruction after the Civil War was the improvement of opportunities and rights for the African American population in the U.S. Albeit a slow process, at least there was a beginning to enable the population as a whole to really address some of the horrible effects of slavery. The South rejoined the Union and slowly made progress back to normalcy. Many consider Reconstruction a failure because the changes desired were not as quick to come about.