This country sponsored columbus' 1492 voyage, colonized most of central and south america, and fought a brief and unsuccessful war against the united states in 1898.

The answer is Spain.

Spain’s King Ferdinand and Queen Isabella financed Columbus' 1492 voyage.

Beginning with Columbus in 1492 and continuing for nearly 350 years, Spain conquered and settled most of South America, the Caribbean, and the American Southwest.

Spanish-American War, (1898), conflict between the United States and Spain that ended Spanish colonial rule in the Americas and resulted in U.S. acquisition of territories in the western Pacific and Latin America.

can you explain it better