The end of the old stone age.
Answer:
caves and arches are both formed by mostly mechanical weathering and erosion.
Explanation:
The development of Florence was due to its strategic location, being a meeting point of several cultures and having adequate access to the sea. The specificity of the region, the cosmopolitan character of the place and the richness of commerce promoted an intense artistic and cultural flourishing. The work of Machiavelli, in this sense, fits in this historical space, since it fosters an ode to civil government.
Growing overseas trade, economic prosperity, and a climate for progress affected<span> the working class.
</span>Cities grew speedily<span>, </span>therefore there have been<span> no development plans, </span>healthful<span> codes, or building codes. It </span>cause<span> inadequate housing, education and </span>enforcement<span>. Garbage </span>heaped within the<span> streets. F</span>olks<span> lived in </span>shut<span> quarters and caused diseases to </span>unfold faster<span>. T</span>he typical lifetime<span> in urban areas was </span>seventeen<span> (38 in rural areas).</span>
