Why does President Lincoln call for a national Day of
Thanksgiving?

On October 3, 1863, expressing gratitude for a pivotal Union Army victory at Gettysburg, President Abraham Lincoln announces that the nation will celebrate an official Thanksgiving holiday on November 26, 1863.

Explanation:

Explanation:

1863, expressing gratitude for a pivotal Union Army victory at Gettysburg, President Abraham Lincoln announces that the nation will celebrate an official Thanksgiving holiday on November 26, 1863.

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.