Cyrus the Great was the first king of Achneamid Empire. He conquered Babylon and freed thousands of Jews. He founded a capital city, Parsagadae. He conquered the Median Empire, Lydian Empire and the Neo-Babylonian Empire. His achievements in politics, human rights and military strategies are recognized along with his influence on Western and Eastern civilizations.
Darius the Great extended the empire borders into India and Europe. He established the government that has became future models of government. He establish a tax-collection system, divided his empire into districts known as Satrapies, built system of roads, establish a network of spies and built two new capital cities at Susa and Persepolis.
Xerxes the Great captured Athens when he won the Battle of Thermopylae but succeeding battles didn't favored the Persians forcing them to went back to Persia. There, Xerxes completed projects left unfinished by his father at Susa and Persepolis. He built the Gate of All Nation and the Hall of Hundred Columns at Persepolis.He completed Apadana, the palace of Darius and the Treasury. He also built his own palace twice larger than his father's.
Answer: Three executive departments.
Explanation: In 1789, Congress created three executive departments know as: Foreign Affairs (later renamed State), Treasury, and War.
The Black Death is considered as the deadliest pandemic in history. There were four main forms of this plague namely: bubonic, pneumonic, septicemic and enteric plague. It wiped out around 200 million people from Europe and Asia. It was caused by yersinia pestits, a type of bacteria transmitted through flea bites or inhalation. One of the main reasons why the plague spread quickly was the terrible health condition of the city dwellers due to poverty and malnutrition. The great famine of 1315 struck many parts of Europe and it lasted for almost seven years. The famine ultimately weakened the immune system of the dwellers in the cities.