<span>the Louisiana purchase, the Mexican American war won California and other territory in the south west</span>
Answer:
A. He created an alliance with the British against Americans.
Explanation:
Tecumseh, also known as Tecumtha or Tekamthi, was a native leader, both of the indigenous Shawnee people of North America and of a large indigenous confederation that opposed the United States of North America during the so-called Tecumseh War (or Tecumseh rebellion) and the Anglo-American War of 1812.
