Which spreads faster, "Hierarchical Diffusion" or "Relocation Diffusion?

The coco river is a natural border between nicaragua and which other country

People make choices about how to use resources.

In upholding louisiana's separate car act, the supreme court claimed thatsegregation was not the same as discriminationthe fourteenth amendment did not apply to southern statesdiscrimination was necessary in order to maintain public ordero segregation was unconstitutional based on the fourteenth amendment