Answer:
The Central Lowland is a flat-lying regionlocated between the Appalachian Mountains to the east and the GreatPlains to the west (Figure 4.5). It extends from the Canadian Shield in the north to the Atlantic Coastal Plain in the south and is part of the North American craton (the older, stable part of the continent).
Had a more moderate, agriculturally productive climate in the past than today, especially in Mesopotamia and the Nile valley
Citation: https://www.britannica.com/place/Fertile-Crescent
The answer to this question is D. <span>Taking up arms to defend the nation
Basically, any reason could be used to take arms and protect our own nations from a potential enemy.
Even if the reason is considered as 'sick' or 'evil' if it's spoken out loud during this time (such as i want to see all of the people from enemy's nation died and suffer)</span>
A one pager is a single response to your learning experience. It is a way of making your own unique meaning. It is a way to be creative and experimental.