The Berbers were nomads who carried goods across the desert with camel caravans.
Poland engaged in a democratic transition which put an end to the People's Republic of Poland and led to the foundation of a democratic government, known as the Third Polish Republic (following the First and Second Polish Republics). After ten years of democratic consolidation, Poland joined NATO in 1999 and the European Union in 2004.
Answer: invented the sciences of mechanics and hydrostatics. discovered the laws of levers and pulleys, which allow us to move heavy objects using small forces.
Hope I helped
Americans were divided by sectionalism and slavery, but they were united by nationalism and an optimistic belief in the possibility of improving themselves and society. These ideas were expressed in and reinforced by American art and literature.