The Northeast did not agree with the Mexican War.
Nobody chooses the rulers. If its through a system of heredity, when the rulers die their children take over.
Generally speaking, industrialization greatly reduced social inequality by creating a "middle class" of people, who were able to significantly increase their incomes due to the large number of jobs available in factories.
Since standardized shipping containers were easier to move between ships, trucks, and trains, the logistical process got simplified. This started a revolution in cargo transportation and international trade.
Globalization´s level of economic integration and trade could not have been without a standardized shipping container. Outsourcing and off-shoring of big manufacturing enterprises in developing economies were only possible because of the container.
I don’t see the answer like the first person that commented so good luck!