Explanation:
The power of the federal government grew under Henry Clay 's American System, which led to many improvements in the form of expanded roadways and canal systems. The rapid development and westward expansion during the Market Revolution resulted in land speculation which caused economic boom and bust
Answer:
Germany is Switzerland's biggest trading partner
Two mountain ranges, the Alps and the Apennines, helped to protect Rome from invasion. The Apennines divide the Italian peninsula in half and, according to SPQR Online, allowed the Romans to mass forces for counter-attack whenever they were threatened.