Lets assume Spain Cıvıl War has ended one year earlier and Nationalists able to captured Spanish Gold.
After fall of France, Spain starts to prepare for joining war and after fall of Crete Spain joins Axis.
Now with more powerful Spain could Reich won Barbarossa? By 1940 Spain's population 26 milion. Even if Spain provides extra one milion soldiers for Reich, how would it impact battle of Stalingrad? Could Reich have invaded Moscow?