5p-14=8p+4 please help

In a mercantilist system a country tries to increase its blank and decrease its blank

Why did large numbers of african migrate to the americas

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons