The ___ marked the end of the Mycenaean civilization around 1100 bc.

Dorian invaders

Explanation:

Around the year 1200 BCE the Mycenaean civilization shows signs of decline. By 1100 it was extinguished. The palaces were destroyed, and their system of writing, their art, and their way of life were gone. ... According to Greek legends, they were replaced by half-civilized Dorian invaders from the north.

the answer is: must pay taxes on profits

since it is considered as a part of your income, profits from investments is eligible for tax payment.

the tax from your investment could be influenced by how long you decided to sell it. united states promotes keeping your investment for long term period. so, the tax rate for investments that you sell in less than one year is typically higher compared to investments that you sell in more than one year period.