How does an open border affect trade from canada to the united states

the United States was an open-border situation, worldwide, up through the early 1900s -- except for Asians," Hing told The Huffington Post. "There were Asian-exclusion laws.

singing

praying

cooking

and going to church

mark me brainiest

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.