Describe the feeling of national unity that followed the war of 1812

"The Second War of Independence."

Explanation:

The War of 1812 is considered by many to be the second war for independence in the United States. The end of the war brought, as never before, a sense of unity and patriotism among the population of the United States. It was during this period that the Federalist Party disintegrated, causing an end to division among Americans. For the first time, the people were united, fully aware of their national identity. The United States continued to expand after the war, and the British government cut off all Native American tribes' support.

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.