What Agricultural technique was used by the Bantu?

The Bantu introduced new skills for cultivating crops.

Explanation:

The Bantu were the early farmers in Africa who started new ideas and skills for growing crops. They introduced metal tools. Farming was new to the area, and it was vital to harvesting food as it became a source of survival. They herded cattle like goats, sheep, and tend the fields.

the ones that are losing there jobs

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.