Why did expansion and foreign intervention seem the logical next step for Americans?

This would be the step to increase the growth and development of the economy with more investment, technology, more competition.

Explanation:

With the expansion and the intervention of the foreign countries in the economy of the United States of America so that the competition in the market of the country increases and because of that there is an optimal utilization of the resources between the suppliers and a large variety of goods and services also available in the market.

With the intervention of the foreign countries in the economy, there would be more technology, more better opportunities available in the country leading to more growth and development.

America suffered from great economic loss at that time. To again economy, they decided to expand and to some foreign intervention.

Explanation:

Around 1890, lot of things were going on in the outer world but America was just involved in its own. They merely thought the need to look and interact with other countries at that time.

However, the imperialists intervened and raised a concern for an urgent need to get Americans involved in foreign investments. This was a time for expanding American business to foreign markets.

It was in 1897, when William McKinley became the President, that America finally thought to do the expansion. However, McKinley made it clear that he don't want any war.