 Under the aegis of the Lend-Lease Act of 1941, a modern air base (now Timehri Airport) was constructed by United States troops.By the end of World War II, British Guiana's political system had been widened to encompass more elements of society and the economy's foundations had been strengthened by increased demand for bauxite.At the end of World War II, political awareness and demands for independence grew in all segments of society.