The correct answer is A) economic connections.
Events and trends in the local, national, and global sphere are interrelated as seen through economic connections.
In a globalized world, as we are living right now, many countries are connected by trade. It is a kind of a string connection in which if something happens in one country in Asia, it directly affetcs what is happening in North America.
The financial markets are so interconnected that they sometimes depend on each other and the economies of some countries depend on the economic stability of others.
For instance, the whole world is in expectancy of the final results of the economic negotiations between the United States and China.