Answer:
According to classical sources, the war began after the abduction (or elopement) of Queen Helen of Sparta by the Trojan prince Paris. Helen's jilted husband Menelaus convinced his brother Agamemnon, king of Mycenae, to lead an expedition to retrieve her.
MATTHEW PERRY sailed to Japan. This American show of strength forced the TOKUGAWA SHOGUN to end Japanʼs long period of isolation and open its ports for trade with the West. (Commodore MATTHEW PERRYʼs visits to Japan in 1853 and 1854 resulted in the OPENING OF TRADE and diplomatic relations with Japan.)
Trade greatly affects a national economy since trade is one of the major ways in which an economy can grow, due to goods and services being exported to other countries, which brings in revenue and raises GDP.
Demand for a product rises
The extension of a nation's authority by territorial acquisition or by the establishment of economic and political dominance over other nations.