Which type of first responders are most likely to use thermal imaging devices

firefighters

Explanation:

For a firefighter, thermal imaging cameras can literally be a lifesaver.

answer: in july 1862

explanation: during the american civil war, president abraham lincoln and congress passed the revenue act of 1862, creating the office of commissioner of internal revenue and enacting a temporary income tax to pay war expenses. the revenue act of 1862 was passed as an emergency and temporary war-time tax.