How were Spain and Portugal able to establish an early lead in exploration?

Religion or was a major factor contributing to the age of exploration? gold god glory grants

Who were some of the first people to use prostheses?

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another?focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery?question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.