Typical immigrant country

(1) Most of the aborigines in North America are Indians. After the discovery of the New World, immigrants from Europe and other continents became the main population of North America, and the United States and Canada were typical immigrant countries.

(2) Canada is the largest country in America, followed by the United States, which is the most economically developed country in the world;

(3) Most of North America is located in the north temperate zone, with temperate continental climate and sub-frigid coniferous forest climate as the main climate; The longest river in North America is the Mississippi River, which flows into the Gulf of Mexico. The famous mountain range in western North America is the Rocky Mountains.

(4) As can be seen from the figure, North America faces the Pacific Ocean in the west, the Arctic Ocean in the north, and Asia across the Bering Strait in the northwest;

(5) As can be seen from the figure, Area A is the Malay Archipelago, which is located near the equator and belongs to the tropical rainforest climate.

So, the answer is: (1) the United States; Canada; (2) Canada; United States; ③ temperate continental climate; Coniferous forest climate in sub-frigid zone; Mississippi river; Rocky mountains; (4) peace; North ice; Bering; (5) Tropical rain forest climate.