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To end the German threat first.
Spain did not support him at first.
Only germany was considered a serious long term threat
The first continental congress created a strategy for addressing complaints.
The Americans decided that they would adopt a "Europe First" strategy, and fight a war of attrition against the Germans in tandem with a Soviet offensive campaign coming from the East to defeat Hitler. Against Japan the Americans took an island-hopping strategy to avoid the cost of rooting out the Japanese defenders on every single island that Japan had taken during their sweeping offensives of 1938-1942.
"Europe First" strategy
To concentrate on fighting the Japanese in the Pacific
the war in europe
To end the German threat first.
Save Great Britain FIRST; Britain will support ALL US Military basing & supplies; save Europe next.
Save Britain FIRST (Europe First).
France had already fallen, Russia was holding it's own, so the US's strategy was to SAVE England (Great Britain) FIRST (Europe also), then defeat Japan. A LARGE part of this strategy stemmed from Churchill's constant lobbying efforts with US President Franklin D. Roosevelt. Had it not been for Churchill's efforts, Roosevelt may have had his Admirals & Generals do as they wished...as was attacking Japan in retaliation for their attacks on the United States. The people of the United States wanted to fight Japan...Roosevelt & Churchill were guided to fight Germany first (to save Great Britain).
The war in Europe. This is known as the "Europe First" strategy.
Winston Churchill and Franklin Delano Roosevelt both pursued a Europe first policy .
Spain did not support him at first.
Only germany was considered a serious long term threat
Understanding requirements in terms of performance