In a time series, economic periods of prosperity followed by recession are described as a(n) . Multiple Choice

secular trend
seasonal variation
cyclical variation

cyclical variation

Explanation:

Cyclic variation refers to recurrent variation in time series that lasts two or more years and is not gradual in amplitude or length.

These variations are known as oscillation motions, which fluctuate after more than a year.

a progressive tax is a tax that imposes a lower tax rate on low-income earners compared to those with a higher income, making it based on the taxpayer's ability to pay. that means it takes a bigger percentage from high income earners than it does from low income people.

they can see what that city is producing and to also see if they can some how get that product. like gold in africa.