Answer: The Muslim empire expands.
Abu Bakr sends his best general, Khalid al-Walid, to invade the Sassanid Persian Empire and portions of the Eastern Roman (Byzantine) Empire.
The use of check and balances.
The New World crops that added the most calories to European diets and therefore positively impacted sustainable population numbers were "<span>b. Potatoes and maize," since these were the most abundant and had the most nutritional benefits. </span>
Answer: they found such plants and animals, that the government had not been aware of.
Explanation:
Answer: The very first cities were founded in Mesopotamia after the Neolithic Revolution, around 7500 BCE. ... units, as well as how trade routes allowed certain cities to expand and grow ... Discuss the problems urbanization created for newly formed cities ... The growth of modern industry from the late 18th century onward led to ...