Answer:
a. National Grange, to improve farmers' lives.
Explanation:
After Oliver Hudson Kelley toured the South in 1866, he and several other government clerks founded the National Grange, to improve farmers' lives.
This organization was the first major farmer organization but as time went on the organization then started interfering with social, political and economic issues in the society.
- A primary source is a historical record created by an individual who existed in the ancient eras.
- The historical investigation that had the broadest spatial frame was the discovery of trade routes between Asian and European nations.
<h3>What is an investigation?</h3>
An investigation is a process of critically examining and identifying something related to any subject matter.
- The sources formed by the ancient historians or individuals in their respective eras are defined as primary sources. They can be manuscripts, artistic creations, books, novels, etc.
- The identification of trade routes through the silk road among the nations of Europe and Asia was one of the investigations of history having the largest frames.
Therefore, the record created by past individuals is the primary source, and the trade routes between Europe and Asia were the longest investigation.
Learn more about the primary sources in the related link:
brainly.com/question/24511160
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<span>Traditionally, immigrants had come to America for economic opportunity and religious freedom. The correct option among all the options that are given in the question is the second option or option "B". The other choices are incorrect and can be neglected. I hope that this is the one that has actually come to your help.</span>
The Balkan Mountain Range
The answer is C because im in the 9th grade and I know what im tlm bout'.