<span>The invention of new communications technology.
</span><span>Improvements to shipping technology
</span>
I would assume one of your answer choices would be The Alps. Since its considered a natural Land border and makes most of modern day Switzerland <span />
Answer:
Colonization ruptured many ecosystems, bringing in new organisms while eliminating others. The Europeans brought many diseases with them that decimated Native American populations. Colonists and Native Americans alike looked to new plants as possible medicinal resources.
Explanation:
Sorry i think this will help
Agricultural subsidies in the united states began during the panic of 1873.
great depressionsmall farms are classified as with annual sales of less than 1,000,000
Am I right or wrong?
