Introduction: Economic nationalism and liberalism were two ideologies that emerged during the 19th century, and they had their own supporters. In this response, we will discuss which class of people supported these ideologies the most.

Middle classes, traders, businessmen, and professionals: The middle classes, traders, businessmen, and professionals were the most ardent supporters of economic nationalism and liberalism. This class of people believed that free trade would benefit them the most. They wanted to remove all the barriers to trade, such as tariffs and other restrictions. They also believed that economic growth would lead to a rise in their standard of living. They supported the idea of a free-market economy and believed that the government should not intervene in the economic affairs of the country.

Landed aristocracy: The landed aristocracy, on the other hand, did not support economic nationalism and liberalism. They believed that free trade would lead to a decline in their power and influence. They wanted to protect their own interests and believed that the government should protect their businesses and industries from foreign competition.

Workers and labour class: The workers and labour class did not have a strong opinion about economic nationalism and liberalism. They were more concerned with their working conditions and wages. They did not have the resources or the education to engage in economic debates.

Conclusion: In conclusion, the middle classes, traders, businessmen, and professionals were the most ardent supporters of economic nationalism and liberalism. They believed that free trade would benefit them the most, and they wanted to remove all the barriers to trade. The landed aristocracy did not support these ideologies, as they wanted to protect their own interests. The workers and labour class did not have a strong opinion about these ideologies.