InOctoberRichardreturnedtotheUnitedStatesandsettleddowntocompletehisfirstbookonthewar。DuringthisperiodandindeeduntilthehourofhisdeathmybrotherdevotedthegreaterpartofhistimetothecauseoftheAllies。HehadalwaysbelievedthattheUnitedStatesshouldhaveenteredthewarwhentheGermansfirstoutragedBelgium，andtothiseffecthewrotemanyletterstothenewspapers。
InadditiontothishewasmostactiveinvariousofthecharitiesdevotedtothecausesoftheAllies，wroteanumberofappeals，andcontributedmoneyoutofallproportiontohismeans。ThefollowingappealhewrotefortheSecoursNational:
\"Youareinvitedtohelpwomen，childrenandoldpeopleinParisandinFrance，whereverthewarhasbroughtdesolationanddistress。ToFranceyouoweadebt。Itisnotalonethedebtyouincurredwhenyourgreatgrandfathersfoughtforliberty，andtohelpthem，Francesentsoldiers，shipsandtwogreatgenerals，RochambeauandLaFayette。YouoweFranceforthat，butsincethenyouhaveincurredotherdebts。
\"ThoughyoumayneverhavevisitedFrance，herart，literature，herdiscoveriesinScience，hersenseofwhatisbeautiful，whetherinabonnet，aboulevardoratriumphalarch，havevisitedyou。Forthemyouarethehappier；andforthemalso，toFranceyouareindebt。
\"IfyouhavevisitedParis，thenyourdebtisincreasedahundredfold。FortowhateverpartofFranceyoujourneyed，thereyoufoundcourtesy，kindness，yourvisitbecameaholiday，youdepartedwithasenseofrenunciation；youweredeterminedtoreturn。Andwhenafterthewar，youdorevisitFrance，ifyourdebtisunpaid，canyouwithoutembarrassmentsinkintodebtstilldeeper？WhatyousoughtParisgaveyoufreely。Wasittostudyartortolearnhistory，forthehistoryofFranceisthehistoryoftheworld；wasittodineunderthetreesortorobtheRuedelaPaixofanewmodel；