sentences:  Before the Great Wars, many Jews fled to America, mainly to Costa Rica, where they founded a new Jewish community.When the Nazi Germany occupied Poland, a ghetto was created in a small area in the city, placing about 10,000 Jews there, mainly from Żelechów but also from other cities of Poland.In September 1942, the liquidation of the ghetto began, where people were transported to Treblinka extermination camp, but due to the chaos many tried to escape.