Placing a confederate symbol on an office government building would send incredibly regressive ideals. It would remind everyone constantly of the ideals the Confederacy, and it could possibly send the message that those ideals are welcomed in the government. It could also signify a rebel takeover, as the Confederacy's secession was essentially a rebellion.
Yeah like the question said they were competing for resources there wasn’t much of land so they were pretty much fighting each other for more land because land equals power in every historical instance.
It just means completely dry. Also, it can be an onomatopoeia which means the rattling sound that is made by something dry and sometimes hollow objects.