Simplify the following text for a Grade 8 native English-speaking person.
Original: By the end of the war , the Agency had transferred about 20 million letters and messages , 1.9 million parcels , and about 18 million Swiss francs in monetary donations to POWs of all affected countries .
Simplified: By the end of the war , the Agency had sent about 20 million letters and messages , 1.9 million parcels , and about 18 million Swiss francs to POWs of all affected countries .