How did samurai impact japan and the feudal system?

The samurai, members of a powerful military caste in feudal Japan, began as provincial warriors before rising to power in the 12th century with the beginning of the country’s first military dictatorship, known as the shogunate. As servants of the daimyos, or great lords, the samurai backed up the authority of the shogun and gave him power over the mikado (emperor). The samurai would dominate Japanese government and society until the Meiji Restoration of 1868 led to the abolition of the feudal system.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;