Globalization leads to more trade between

Globalization is a process where an increased proportion of economic, social and cultural activity is carried out across national borders. The process of globalization has significant economic, business and social implications.

Globalisation leads to the increased trade between international businesses. This may open opportunities for outsourcing inputs and labour as well as increasing a business's target market by selling products to overseas customers as well. Increasing the level of exports and inputs for businesses.

3. i would say one, but one is not prime nor composite.