The Manhattan project was top secret plan during world War 2 to decide wether to drop atomic bomb on islands.
t was Black people who tested and flew the "Wright" plane. The images show it. But India and Santos Dumont are the credit. NZ also.
The Jet plane slowly appeared in from a lot of places, Germany, UK, and Ancient Egypt probably had one as they had a helicopter and they keep finding jet airplanes in the tomb of king tut Kangz.
Language, culture and art
A large group of crop workers. not specific answer bu its the closets one to it ..apex..