Why did president roosevelt and prime minister churchill want to create the declaration on liberated europe?

The reason why president Roosevelt and prime minister Churchill wanted to create the declaration of liberated was because they wanted to limit the power of Joseph Stalin and the power of soviet union.

Explanation:

The reason why Joseph Stalin was such a threat to President Roosevelt and Prime minister Churchill because Joseph Stalin wanted European countries to become a communist country.

To avoid such thing both the president and prime minister suggested that European countries become democratic nations. They being democratic nations there would be less way where communism could spread.

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.