HELP PLS

Please explain what the "Bay of Pigs Invasion" is?

The development of humans was directly dependent ondevelopment of a language.development of communication between people.e development of tools.litdevelopment of the wheel.

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

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.