which two countries does the article suggest currently have the greatest influence on the world economy

United States of America (USA) and China are the two countries that article suggest currently have the greatest influence on the world economy.

Explanation:

USA - As we all aware with the fact that in present time America is the country which has impact on the world economy. It is worlds largest economy. In recent decades the level of the goods and services imported from other countries by U. S consumers, businesses and government agencies has increased dramatically. US also plays a key role on the international politics and economic stages.

China - Regardless from the fact of most populous country, China also holds the tag of largest and influential economy on the world economy. It is ranked just below the United States with a nominal GDP of $12 trillion in 2018. China attracts many companies as the country is able to provide low labour cost with advanced technology and cheapest material.