TEKS 3B: One factor that furthered industrialization in the United States between 1865 and 1900 was the expansion of the railroads mass production of automobiles widespread use of steamboats development of the airplane

## Step 1<br />The question is asking us to identify the factor that significantly contributed to the industrialization of the United States between 1865 and 1900. The options provided are the expansion of railroads, mass production of automobiles, widespread use of steamboats, and development of the airplane.<br /><br />## Step 2<br />We need to consider the historical context of the period. The period from 1865 to 1900 was marked by significant industrial growth in the United States, particularly in the North. This growth was largely due to the expansion of railroads, which facilitated the movement of goods and people across the country.<br /><br />## Step 3<br />The other options, such as the mass production of automobiles, widespread use of steamboats, and development of the airplane, while important, did not have the same level of impact on industrialization during this period.