how does europe unifing as one help the ecomony?

i know cuz we they have one currency the euro.
i need 2 more.

The European Union trades with other nations as one entity.

It regulates industrial and agricultural products so that all have the same advantages in world trade.

oh, thanks please help with the other ones.

Europe's unification as one helps the economy in multiple ways. In addition to having one currency, the euro, there are two more key reasons why European unity benefits the economy:

1. Elimination of trade barriers: One of the fundamental aspects of European integration is the creation of a single market where goods, services, capital, and people can move freely across national borders. This allows businesses to reach a much larger consumer base and have access to a wider range of suppliers and resources. By removing trade barriers like import duties and quotas, European countries can engage in more efficient and competitive trading, leading to increased economic growth and investment opportunities.

2. Enhanced economic collaboration and coordination: Through the European Union (EU), member states have established various mechanisms for economic collaboration and policy coordination. This includes setting common standards and regulations, coordinating economic policies, and implementing joint initiatives in areas such as research and development, infrastructure development, and innovation. The harmonization of rules and regulations simplifies business operations within the EU, reduces costs associated with compliance, and fosters a more attractive investment environment.

3. Increased investment and market stability: The European Union provides a stable and predictable environment for investment due to the integration of economies and the commitment to common economic policies. The existence of a single market and a unified regulatory framework not only attracts investment from within Europe but also encourages foreign investors to access the vast European market. This increased investment leads to job creation, economic growth, and the development of innovative industries.

In summary, Europe's unification as one not only brings the advantage of having a single currency but also promotes free trade, economic collaboration, and investment opportunities. These factors collectively contribute to the overall economic prosperity of European countries.