What conditions need to be in place for teams to excel and why?

Can you help me write 500 word post on following subject, must include 2 peer reviewed article in references:

Team Performance, Productivity and Rewording Teamwork

Discuss how to access team productivity:

What conditions need to be in place for teams to excel and why?

Suggestion ways to design teamwork so that threats to performance is minimized

As a manager, how would you reward teamwork?