why were the Arabs able to expand and conquer such large empire in so short amount of time?what factors facilitated this?

The most influential immigrant group in texas came from

Who was william johnson? a. a revolutionary war veteran b. was the most prominent free black in mississippi c. a field slave d. inventor of the cotton gin

Which of the following elements is not typical of an advanced society? a. cities b. science c. industries d. and nomadic lifestyle