Why is A strong economy should be a country's most important goal.?

I'm writing a paper and need to know, please keep short and simple.

http://www.theguardian.com/local-government-network/2013/nov/18/growth-cities-wellbeing-financial-success

A strong economy should be a country's most important goal because it forms the foundation for raising the standard of living, creating jobs, and improving the overall well-being of its citizens. A robust economy enables a country to invest in infrastructure, healthcare, education, and social programs. It fosters innovation and attracts foreign investment, leading to economic growth and prosperity. Additionally, a strong economy generates tax revenues that can be used to address societal needs and reduce poverty. By prioritizing a strong economy, a country can enhance the quality of life for its people.

For more detailed information and evidence on this topic, you can refer to academic sources, economic reports, and studies from reputable organizations such as the World Bank, International Monetary Fund (IMF), and the Organization for Economic Co-operation and Development (OECD).