Immigrants can enrich a nation. But there is a difference between immigrants and colonists. The former are eager to learn<span> the ways of their adopted home, to integrate and perhaps assimilate — which does not require relinquishing their heritage or forgetting their roots. Colonists, by contrast, bring their culture with them and live under their own laws. Their loyalties lie elsewhere.</span>
I think their relationship wasn't really in friendly terms. I think their relationship is fueled by the idea of defeating Germany and Japan. Both leaders were good military strategists, they work on synchrony on how they can defeat their enemies. Roosevelt was the first to approach Churchill and was able to get him to supply the US with arms and a naval fleet in order to defeat Japan and Germany
