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.