Japan has many mountains, thus, the outsiders could not easily enter Japan and Japanese could not leave the country. And, thus the self-isolation was helped by the presence of a mountain terrain. This policy was implemented by Togukawa, who insisted on preventing Japan from foreigners.
Answer:
Expanded suffrage helped Jackson win the election of 1828 because more people were able to vote now, of multiple different groups, helping Andrew Jackson by giving him more votes. A lot more common people could now vote.
Explanation:
D. Ronald Reagan signed the law creating the Martin Luther King holiday.