Historians use both the timeline and the calendar, but they are
used for different purposes. Calendar is used by historians for marking
specific important dates, like the date of birth or the date of death. Timeline
is mostly used to describe an incident that has occurred over a period of time.
This occurrence could have started in one era and ended in another. These kind
of incidents that occur over a longer time are mostly depicted by timeline. For
example the reign of a ruler can be depicted by a timeline by any historian.
Allotment checks is a sum amount of money that would be automatically transferred to millitary personals from their pay
One method that people often used to misuse this allotment check is by using fake or empty 'allotment check' in order to initiate a purchase even though it's just a useless paper.
The answer is D. They are organized into three branches and use a system at checks and balances to ensure no branch becomes too powerful