1846 is the year the mexican_american war started plz mark me as brainliest.
Manufacturing became more important than agriculture which led to South losing its power and wealth since people were switching away from cotton usage while North only grew even more because the products made were produced more then ever due to technological advancements.
The costs of everything were rapidly increased and there was a lot of unemployment. Suddenly a bunch of new workers joined the market consisting of both those who served in the military and those who stayed at home and the economy started becoming really bad. This is why Harding won presidency since he devised a way to solve this.
In 1900, the Boxer Rebellion (or the Boxer Uprising),was a Chinese secret organization called the Society of the Righteous and Harmonious Fists led an uprising in northern China against the spread of Western and Japanese influence there.