What is season change?what causes change in season

: the change from winter to spring, spring to summer, etc

Seasons change because of the tilt of the Earth and the planet's movement around the Sun.

The earth's spin axis is tilted with respect to its orbital plane. This is what causes the seasons. When the earth's axis points towards the sun, it is summer for that hemisphere. ... Midway between these two times, in spring and autumn, the spin axis of the earth points 90 degrees away from the sun

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.