<prompt> Feleletša polelo e latelago: Ge Ntwa ya II ya Lefase e thoma, Purvis o ile a kgethwa ke mmušo wa Brithania gore e be molaodi-pharephare wa British Purchasing Commission, yeo e bego e ikarabela ka go reka ditlabakelo tša ntwa go tšwa United States. Gape e be e le modulasetulo wa Anglo-French Purchasing Board, moo a ilego a šoma gotee le Jean Monnet. Ka June 1940, ge Fora e be e le kgaufsi le go phetha  <response>: Ka morago ga go dira tumelelano ya go kgaotša ntwa le Jeremane, Purvis o ile a rulaganya go tšea dikonteraka ka moka tša dibetša tša Fora tšeo di bego di sa letetšwe kua United States ka theko ya ditolara tše dimilione tše 612. Purvis o ile a rerišana le ma-Brithania ka September 1940 gore a hwetše dilo tše bjalo ka dikepe tša torpedo, difofane le dibetša tšeo United States e bego e tla di nea ma-Brithania go tlaleletša go dikepe tše 50 tša ntwa e le karolo ya Tumelelano ya Destroyers for Bases. 