A window air conditioning unit will generally suffice to keep a smaller home cool on warm spring and summer days. The cost to install a window air conditioner averages between $150 and $300, depending on the size you need. Installing a window air conditioning unit can bring added comfort for a reasonable price, but it will be less powerful than a central air conditioning system.
Thomas Jefferson was president when the Embargo Act of 1807 was passed.
Watergate brought a halt to the imperial presidency and the growth of presidential power. Over the president's veto, Congress enacted the War Powers Act (1973), which required future presidents to obtain authorization from Congress to engage U.S. forces in foreign combat for more than 90 days.