Please answer as soon as possible

In a planned economy, which of the following does the job of market forces in order to determine the outcomes?

As the coach of the u.s. olympic cycling team, i can state without question that the swedish and french teams were using illegal steroids. how else could they have beaten us so badly in the last competition? the u.s. team trained much harder and was much more skilled than our opponents. we only lost because a few teams cheated.

Identify they difference in plant domestication between mesopotamia and mesoamerica during the neolithic revolution