Errors:  

- bring paramount

Corrected version:

There is little room for doubt that increasing business and cultural contact between countries is paramount today.

Improved version:

Undoubtedly, the growing business and cultural exchanges between nations are of utmost importance in today's interconnected world.

Errors:  

- Nations

- As the first opinion,

Corrected version:

As the first point of view, there are several advantages of international relations for countries and their people. Firstly, it promotes understanding and collaboration among nations.

Improved version:

From one perspective, international relations offer numerous benefits, such as fostering mutual understanding and cooperation between nations.

Errors:  

- sell products

- countries

Corrected version:

With the help of international relations, companies can expand their sales of products and services worldwide, reaching new customers. Countries can obtain resources that are not available domestically through international trade.

Improved version:

International relations enable companies to broaden their market reach, selling products and services globally, while countries can access resources unavailable within their borders.

Errors:  

- Nations

- leads a competition

- increase of violence

Corrected version:

Firstly, international relations can promote inequalities among the nations, as some countries may exploit others. This can lead to competition between countries as well as an increase in violence between them.

Improved version:

One downside of international relations is the potential for increased inequality and exploitation among nations, which could lead to heightened competition and even escalate tensions.

Errors:  

- facilate

Corrected version:

The rapid movement of people and goods can facilitate the spread of diseases like COVID-19.

Improved version:

The swift global transit of individuals and commodities can inadvertently expedite the transmission of infectious diseases, such as COVID-19.

Errors:  

- prospective

- be heavier than

Corrected version:

In conclusion, I believe international relations have both positive and negative effects on national identities, but in my perspective, the advantages outweigh the disadvantages, as international relations bring more opportunities.

Improved version:

In summary, while international relations impact national identities both positively and negatively, I contend that the benefits surpass the drawbacks due to the vast opportunities they present.

Errors:  

- access rate of globalisation

- benifits

Corrected version:

However, I also think that we should moderate the pace of globalization, so that it provides benefits to all countries and their people.

Improved version:

Nevertheless, it's crucial to manage the pace of globalization to ensure its advantages are distributed equitably across all nations and their citizens.