B:American contributions to the columbian exchange
Answer:
poland
Explanation:
as hitler was about to invade poland he sign a pact to divide poland in half as hitler takes the west and stalin the east of poland
Answer:
<h3>The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders</h3><h3> Rome began to face many problems that together allowed the fall of the Roman Empire. The three main problems that caused Rome to fall were invasions by barbarians, an unstable government, and pure laziness and negligence.</h3>
The answer would the Columbian Exchange.