Because production costs (especially labor cost) is lower in PRC.
Usually politicians talking about "Buying American" or domestic producers who are not as efficient at producing their good as international companies favored high tariffs.
The laissez faire policies favored the business and factory owners at the expense of workers.business owners
Alexander Hamilton
The Free Market
Warren G. Harding
It favored keeping a monopoly on new technology
It favored manufacturing over commerce and agriculture.
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology
It favored keeping a monopoly on new technology