Well,
I believe the Economic variables tells economists if an upturn or downturn has begun.
Well we wouldn’t have to learn about it in class
They weren't so successful at conquering Europe or China. Of course, one can blame the long supply lines, but in these cases their adversaries were also determined to repulse them.
In contrast, Byzantium and Persia were exhausted from mutual warfare. Tribes related by kinship to Muslim Arabs had served as mercenaries during this period, so there was a lot of tactical knowledge available.
The Byzantines retreated to the highlands of Anatolia upon losing their lower-lying provinces to the Muslims. I am not sure if they launched a determined counter-attack. The Persians did, but they could not fight coherently.
Answer:
Option A.
Explanation:
A scientist who helped survey the new national capital, is the right answer.
Benjamin Banneker can be best described as a free African-American journal author, astronomer, naturalist, farmer and surveyor from America. Banneker has been regarded as the leading African-American man of science. At the request of President Thomas Jefferson, he joined a group under the leadership of Major Andrew Ellicott that inspected the primary boundaries of the District of Columbia, the national capital region of the U.S. He was the only person who in two days presented a complete layout of the major buildings, parks and streets.