Answer: Multilaterally.
Explanation: Multilaterally is fundamental to politics and the economy.
The concept can be perceived as a form of cooperation, especially with regard to international diplomacy and actions that allow countries to respect limits.
These boundaries that countries face are at social, economic, political and national and international security levels.
Multilaterally is the result of an important historical process that can be observed over the decades. Once states realized that they could not alone solve issues that could harm other nations.
d. Both were based on unconstitutional state laws.
Answer:
Primary source
In the study of history as an academic discipline, a primary source is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time under study. It serves as an original source of information about the topic.