The best statement to fill in the blank is standard of living. Real GDP per capita is the most popular way to measure standard of living. The real GDP is an important indicator for the economic status of an area. It will dictate the quality of life of the people in that area.
It caused them to be free and able believe and worship as they please without being killed or threatened.
At the atomic scale, the kinetic energy of atoms and molecules is sometimes referred to as heat energy. Kinetic energy is also related to the concept of temperature. Temperature is defined as the measure of the average speed of atoms and molecules. The higher the temperature, the faster these particles of matter move.