Answer:
A system of government in which the chief executive is constitutionally independent of the legislature (I guess)
What we are looking for is the confidence interval.
Given:
Sample it is denoted by n = 10
Mean = 80
Standard deviation = 12
Confidence Interval = 99%
Now compute for the margin of error, the formula is Za/2 * σ/√(n)
A 99% level of confidence has a critical value of zα/2 = 2.58.
The standard error is σ/√(n) = 3.162
Multiply 2.58 by 3.162 = 9.8 is the margin of error.
The formula for confidence interval is x̅ ± Za/2 * σ/√(n)
= 80 ± 9.8
= 70.2 < x< 89.8
Answer:220
Explanation:
Given
Bottled water consumption reported to be 29 gallons per person
Considering it to be weekly
And 1 gallon is equivalent to 3.78 Liter
So 29 gallons is 109.77 Liter
1 Bottle is of 0.5 L
So 109.77 water is stored by

So 220 Bottle is used by a person in a week
Just. because formal battles have ended, does not mean both sides will accept the outcome. Prejudice and need for cheap labor was still deeply ingrained.
The confederate south had been devastated by the Civil War. Money and law enforcement from Union military would be required., for years! The US treasury did not make enough budgeted funds available for equitable reconstruction. Blocking pro-freedmen legislation.
Many of former confederate states would send pro-slavery/anti negro representatives to US House and Senate.
Political squabbling would continue with the compromise of 18xx would remove federal troops. Dominant white racist ideals would prevail. Banks not loaning to freed slaves, only at unreasonable high interest rates, would reduce business and land ownership.
Answer: It depends on what you mean because slavery is still alive today unfortunately in other countries. I'm assuming you mean African American slavery in the USA. Your answer would be from the 1600s - 1865. But at the same time, not every state started slavery at the same time. For instance, Georgia didn't start until the 1700s so it varies, but the first state was Massachusetts in 1619.