The Zimmerman telegram was a message sent by Germany to MEXICO to cripple a few of their states in 1917 during the first world war. The transmission never reached mexico however and was intercepted by British inelegance.
I believe you're looking for the Missouri Compromise.
It enabled them to increase their power over the trade business creating a complete monopoly which in turn led even to military expansions. Eventually, it led to the complete fall of Mughal empire and establishment of East India Company as the rulers of colonial India.
The French and the British had a conflict over the Ohio river valley because of the control over fur trading. The Britishers tried to take the business away from the French by offering the locals more goods against fewer furs. The French had originally taken control over the Ohio river valley before the Britishers tried to get entry into the valley. The French did not take this heavy handedness of the Britishers lightly and so they started creating a line of forts. These forts were built to protect the fur traders from the invading Britishers. Many British settlers also started ariving in the Ohio river valley and this was not taken gladly by the French.
<span>All in all, it was all about supply and demand. Beef was highly demanded back east, and ranchers and cowboys had to go in and supply that demand.</span>
