Why did vanderbilt want control of the Erie rail line?

Cornelius Vanderbilt sought control of the Erie rail line primarily to enhance his transportation network and expand his influence in the railroad industry. By acquiring the Erie line, he aimed to create a more efficient route for goods and passengers between the Midwest and the East Coast, thereby increasing profitability. Additionally, controlling the Erie would allow him to undermine his competitors and solidify his dominance in the rail industry.