Or just give the Marshal plan money back to the USA the day after they lend you it?Just plant more money trees, its easy.
Investing borrowed money can and has paid massive dividends when rebuilding our economy, we could cut all state functions and live like wolves, will that improve our dwindling GDP,?
Reduction of debt tomorrow is less important than improving debt to GDP as a ratio.
You can argue plans for investing are I'll considered, arguing they are conceptually impossible as a means to improve our economy is an unevidenced ideological position!