Which systems development method stresses intense team-based effort and breaks development into cycles that add functionality?

Agile method

Explanation: Agile method also known as Adaptive method stresses intense team-based efforts,breaks development into cycles or iterations with different functionalities. Agile method attempts to reduce major risks in short intervals by applying incremental efforts,each cycle is designed and built in an ongoing Process. Agile method encourages fast development and processing in system development. Some empirical evidence have disputed the claim that Agile method of system development improves the Agility of software developers.

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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the answer is b, encourage free trade