"If forces" should probably be "It forces".

"Dollar" is a measurement, like "quart" or "pound." A "dollar" is not a physical thing. You can have dollars of silver or dollars of gold, but not dollars of paper currency. To put it another way, a "ten-dollar bill" would have to be ten times the size of a "one-dollar bill" if the "one-dollar bill" had any intrinsic value.

The "America First" movement was anti-war. No wonder this quote is unattributed.