Tariff War begins between USA, China, Mexico, and Canada

The USA is increasing the tax for goods bought from Mexico, China, and Canada. Tariff or tax is a payment made by one country when it buys goods from another country. The USA has increased tariffs on goods that it buys from Mexico, China, and Canada. So, people in the USA must pay more money to buy these goods from shops. A tariff war might begin as Mexico, Canada, and China plan to increase tariffs on goods from the USA.