Land, fresh water, air, and heavy metals.
Answer:
from roads to canals to railroads
Explanation:
Better transportation infrastructure or transportation revolution in the early 19th century begins when people started crude roads instead or horses or river routes and then canals were built. After canals long the railroads crisscrossed the country that helped people and goods to move with greater efficiency. These technological developments in travel during the 19th Century connects the world and affects the national economy at high level.
Hence, the correct answer is "from roads to canals to railroads".
<span>After considerable debate and alteration, the Articles of Confederation were adopted by the Continental Congress on November 15, 1777. This document served as the United States' first constitution, and was in force from March 1, 1781, until 1789 when the present day Constitution went into effect.</span>
I would say a. Most flashbacks help readers get some background information on a character
<span>The overall system of taxation in the United States is progressive.</span>
