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.
Although this depends slightly on what period you're referring to during this time, the best answer would be that "Immigrants" made up the largest percentage of workers in American industry during the late nineteenth century, since the economy had shifted towards industrial output as opposed to agrarian output.
i think the sinking of the Battleship Maine in Havana harbor on February 15, 1898.