campaign

What would a force on force airwar over France in 1943 look like had there been no Operation Torch and therefore Tunisian/Sicily/Italy campaign, but instead the US and UK saving up forces to invade France in 1943 like in Operation Roundup...

Any one wanting to understand Congress and the campaign system in the USA should read Ezekiel 23:20. That says it all.

How would the RAF have faired if they had gone for a daylight strategic bombing campaign from 1941 on? Let's say the choice to go for a daylight campaign means they adopt the long range Spitfire variant for service as a escort. In 1941-42 the Luftwaffe was only fielding two Wings of fighters...

Would the Central Pacific island hopping campaign under Admiral Chester Nimitz have defeated Japan without the South West Pacific campaign under General Douglas MacArthur?