Manifest Destiny is the belief that Americans had the right, or even the duty, to expand westward across the North American continent from the Atlantic Ocean to the Pacific Ocean. This would spread the glorious institutions of civilization and democracy to the barbaric Native Americans.
Deforestation is when people cut down trees (which means less oxygen for the people). Soil degradation associated with poor soil fertility management practices is a major factor underlying poor agricultural productivity in sub-Saharan Africa. About 65% of the agricultural land is degraded, mainly due to low nutrient application, soil erosion and soil acidification.
The desire to perform
behavior effectively for its own sake is called intrinsic motivation. Intrinsic
motivation is being defined as a way of having to engage to activity or a
behavior because of the individual’s feeling of enjoyment or contentment.
