The success of a proposal is best reflected in
a. its ability to educate.
b. its approval by others.
c. its counterarguments.
d. its supporting evidence.

The correct answer would be option B, Its approval by others.

Explanation:

A proposal is usually a plan or a set of suggestions, which is presented to others. It is usually in the written form. Proposals seek approval by others. Proposals are put forward for considerations by others. A proposal consists of plans and ideas about a certain thing. For example if  business wants to open its new line of product, many different proposals can be submitted by the management regarding the launch of new product line. So the success of proposal is best reflected when it is approved by a large number of people.

answer; /// i believe that the correct answer is (d)the huang he river valley;

the correct answer is a: slaves from other colonies ran away to georgia.