The negative effects of revolutionary war were that France collapsed and entered a violent era known as the French revolution because of severe debt. America was also and undefended . 9 out of every 10 Americans were farmers and they had no navy and no army . Great Britain , humiliated by the defeat , began to seek revenge . They raided American trading vessels and they created high tariffs for Americans ships. They also refused to sell British goods in America , which hurt America economy.