In 1840 California can be most accurately described as?

In 1840, California was a sparsely populated region that formed part of the Alta California province of Mexico, which stretched to present day Arizona and parts of Utah and Nevada. It had a diverse population comprising Native American tribes, Spanish settlers, and a growing number of newcomers from other regions of the United States and Europe, drawn to the area by the opportunities in agriculture and trade. California's economy was largely based on livestock raising and agriculture, with a significant production of cattle and hides, as well as agricultural products like wheat and barley. The presence of the Spanish missions and the influence of Mexican culture contributed to the region's distinct cultural and architectural heritage. During this time, California was not yet admitted into the United States as a state and remained under the administration of Mexico until its conquest during the U.S.-Mexican War (1846-1848) and its subsequent admission to the Union in 1850 as the 31st state.