Our first president, George Washington, selected the site for the White House in 1791. The following year, the cornerstone was laid and a design submitted by Irish-born architect James Hoban was ...
There were a few chores around the house I had been putting off, but I had a good reason—they all involved a ladder. Honestly ...
Congress established the Office of Science and Technology Policy (OSTP) in 1976 to provide the President and Executive Office of the President (EOP) with advice on the scientific, engineering, and ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
反馈