Their Blitzkrieg tactics was so brutal and quick
A president should do good to both the parties of the negotiation, goals should be met and should come to an end where one country over powers the other.
<u>Explanation:</u>
While negotiating a treaty, the President of a country should make sure that all the purpose for which the treaty has been signed should be made met. When one country over powers the other, the treaty should not be signed. It should do good for the development of the country and to the citizens of the country.
"Endocrine system" is the one among the following choices given in the question that <span>human organ systems is mainly made up of glands and hormones. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer helps you.</span>