 Complete the following phrase:  Christopher Columbus discovered the New World for the Kingdom of Castile and Leon in 1492. Private adventurers thereafter entered into contracts with the Spanish Crown to conquer the newly discovered lands in return for tax revenues and the power to rule. In the first decades after the discovery of the new lands, the Spanish colonised the Caribbean and established a centre of operations on the island of Cuba. By August 1521 the Aztec capital of Tenochtitlan had 