Questions

In 37 BC, Octavian became the most powerful man in the Roman Empire for 44 years under the titles of Augustus, which meant 'holy' and imperator, meaning 'Victorious general'. He also called himself Princeps, 'first citizen of the state'. The period of Roman history beginning with his rule upto A.D 284 is called the principate. His rule and the period following it were  peaceful and  are known in history as 'Pax Romana' which means 'Roman Peace'

The geosphere is the earth's solid rock or rigid outer layer known as the crust. Without the geosphere it would not be possible for humans to live on the planet. The function of the geosphere serving as the interface between the other spheres.

Photography is a word derived from Greek words Photo means light and graphe means drawing.'Hence it literally means light drawing.

Business cycles are identified as having four distinct phases:

1. Expansion,

2. Peak,

3. Contraction, and

4. Trough.

Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery.

An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.

The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the U.S. The timing of the Great Depression varied across nations; in most countries it started in 1929 and lasted until the late-1930s. It was the longest, deepest, and most widespread depression of the 20th century. In the 21st century, the Great Depression is commonly used as an example of how far the world's economy can decline.