Did people in the roman republic exchange goods instead of using money to buy them?

Which of the following actions best shows how a historian would study the historiography of the french revolution? o a. reading about how earlier historians wrote about the french o b. creating a map of the important events of the french revolution o c. writing an unbiased history book about the french revolution's revolution leader o d. placing key events of the french revolution in chronological order

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

Why did the outbreak of world war 2 create a need for new military bases across the country?