In 1937 would be the answer.
The atl atl or more commonly referred to as a spear-thrower is a tool used to increase velocity in dart throwing. Scientists found distinctive chips and fractures on spear points that matched with spears pitched at a great distance. The atl atl enabled the pre historic man to hunt for megafuna.
EQUALITY AND FAIRNESS AND PEACE MARK ME BRAINIEST PLEASE
Answer:
Explanation:
Availability of massive supplies of raw materials, such as timber, iron ore, oil and other resources.
Development of new inventions and technology.
Existence of a large labor force constantly replenished by immigration.
Decentralization and the trade with north america
