A lunar calendar is a calendar based upon monthly cycles of the Moon’s phases.
20 million deaths total, about 10 million military and almost 10 million civilian.
The Romans would develop road systems as they went along with their expansion. Every time they'd conquest new territory, they'd make sure to keep the new colonies controlled by facilitating access to them through the construction of new roads. In addition, the development of these routes was crucial to containing attacks and ensuring a successful defense of the Empire, as the armies would move move faster and arrive quickly to the territories in conflict.
This strategic emphasis in roads and bridges was vital to the success of their army. The routes were built specifically with speed of movement in mind, designing them mostly in straight lines for efficiency.
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A rising population helped the industrial revolution because it provided a large work force for the factor but it lead to pollution. ... The cotton Gin was aided to the textile industry and was invented Eli Whitney.
