What secret weapon did the Confederate navy secretary call on to be built to defeat the Union naval blockade

I believe it was an early type of submarine made out of wood and was peddle powered and they used it to place an explosive on the underside of a union ship, sadly it sank on the first successful mission.

Explanation:

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.