What japanese samurai won control over most of japan and united t by a policy of central government and conciliation

Tokugawa Ieyasu, through years of war and political maneuvering, eventually was able to get the emperor to make him Shogun of Japan sometime just after 1600. This was a shogunate that lasted from 1600 to 1868 (the year it officially ended), and was the actual ruling office of the country, as the emperor was just a figurehead. 

Brainliest if possible

Ithink it is c. the government would try to limit the influence of outside cultures.