احسان مهرابی سعادتلو

  Abstract The foreign policy of the United States and the United Kingdom in the field of foreign policy, as well as towards each other, is affected by various historical, religious, religious and linguistic factors. They have commonalities and deep rooted convergence in different areas, especially in regional and international policies. The two world powers. both of which have a history of superpowers and domination in different regions of the world, in order to maintain theirs hegemony and influence in the new era, they need joint cooperation and convergence to secure their interests. Although this common understanding has undergone changes in recent years, especially since ۲۰۱۶. Two important ones changes and transformations in the foreign policy of the two countries below the influence of Britain's departure from the European Union (Brexit) and Donald Trump's coming to power in the United States has been somewhat disrupted, but the findings of the current research, which was carried out in an analytical-descriptive method, it is important to note that in the framework of America's foreign policy in the period of ۲۰۱۶-۲۰۲۳, Britain still had a strategic position for this country, with the difference that in the period of Trump (۲۰۱۶-۲۰۲۰), the populist attitude governing the foreign behavior pattern of the two governments and promoting the approach Anti-Russia became a ground for more cooperation; However, during the period of Biden (۲۰۲۰-۲۰۲۳), the two categories of "trust building in transatlantic relations" and "Ukraine crisis" were influential in the relations between the two governments, and this process is still ongoing. Key words: foreign policy, Brexit, convergence, European Union