What were some problems of the United States and Britain regarding the opening act of a second front which were ignored by Stalin?

During World War II, the United States and Britain faced several issues regarding the timing and strategy for opening a second front in Europe, primarily due to differing military priorities and strategies. The U.S. pushed for an immediate invasion of France to relieve pressure on the Soviet Union, while Britain favored a more cautious approach, focusing on North Africa and Italy first. Stalin, frustrated by the slow response and the heavy losses on the Eastern Front, often dismissed their strategic disagreements, insisting on a second front to alleviate Soviet forces. This tension highlighted the differing priorities of the Allies, which were often overlooked in the urgency of the war.