During the Han Dynasty, trade flourished in China. The government controlled the economy, and Han rulers emphasized unity in laws and currency.
<span>The question is 'who founded the national grange. The national grange was founded by Oliver Hudson Kelley in 1867. It was formed as a national organisation. Its sole purpose was to encourage families to bound together to promote the political well being and agricultural practices in the community. It is the oldest American agricultural advocacy group with a national focus.</span>
