<span>political unrest was ongoing under corrupt despots with frequent military coups and violent uprisings
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some of notable despots was Batista and Machado, who seemingly back tracked from earlier promises to withhold democratic values. Batista first was elected president after a new constitution was promulgated in 1940,adhered to the presidential terms before returning to the scene again,failing and staging a coup. <span />
The gravity of the Sun keeps the planets in their orbits. They stay in their orbits because there is no other force in the Solar System which can stop them.