If Mia had 5 dogs then bought 2 that would be 7 then subtract 3 so 4.
Explanation:
Ans. A person is identified as belonging to a particular nation by his cultural traditions and the language that he speaks. The language as well as the traditional practices usually develop and get established over a long period of many hundreds of years. They give an identity to ah individual wherever he is.
Cold war comming to an end
The answer is the railroad increased commerce by making shipping easier and cheaper.