Answer: US forced the opening of Japan by signing the treaty of Kanagawa, a factor that influenced the acceleration of the disintegration of the feudal system.
Japan only opened its economy to the west after a long Meiji dynasty, in which it took measures for the industrialization and modernization of the country, such as the creation of infrastructure, such as railroads and ports, and the installation of production goods.
A constant term in an expression is a term that does is independent of any variables. This means that constant term will have non of the variables attached to them. In the expression we notice that the terms integers 4 and 5 are the only terms that are not coefficients of any of the variables in the expression.
