<a href="https://en.wikipedia.org/wiki/World_War_II" id="mwmw" rel="mw:WikiLink" title="World War II">World War II</a>: U.S. President <a href="https://en.wikipedia.org/wiki/Franklin_D._Roosevelt" id="mwnA" rel="mw:WikiLink" title="Franklin D. Roosevelt">Franklin D. Roosevelt</a> orders the <a href="https://en.wikipedia.org/wiki/United_States_Customs_Service" id="mwnQ" rel="mw:WikiLink" title="United States Customs Service">United States Customs Service</a> to implement the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Neutrality_Acts_of_1930s#Neutrality_Act_of_1939" id="mwng" rel="mw:WikiLink" title="Neutrality Acts of 1930s">Neutrality Act of 1939</a>, allowing cash-and-carry purchases of weapons by belligerents.