As discussed, Germany never developed much of a “strategic” ability other than the U-Boat. Some could argue the V-2 was the elemental stage of strategic weaponry but it was largely a theater weapon in German hands.
Early in the war Hitler decreed, due to the limits on aircraft manufacturing at the time in Germany, that only twin-engined bombers would be built since two twin-engined bombers could be built for every four-engined one. That “rule” existed for most of the time of the Reich. Hitler largely looked upon the Luftwaffe as airborne artillery for the Wermacht and thus a tactical force rather than a strategic one. The German navy was built more along the lines of it’s WW1 navy with emphasis, surface-ship wise, going to pocket battleships, battlecruisers, and the like intended for raiding rather than fleet offensive operations.
The Germans were also somewhat bad at intelligence gathering and were fooled many times by the Allies and Russians.
The only long range weapons able to hit the USA from Germany would have been the long-ranger missile that they were developing.to the east coast. As far as lomng term strategy, Germany didn’t have time to develop one before they had to go to war in 1939.