(A) ** the sinking of the USS Maine
(B) the Pancho Villa raids
(C) the sinking of the Lusitania
(D) the announcement of Mexican independence
EXPLANATIONS BELOW
Concept note-1: -On April 25, 1898 the United States declared war on Spain following the sinking of the Battleship Maine in Havana harbor on February 15, 1898.
Concept note-2: -President William McKinley sends the battleship USS Maine to Havana to protect U.S. interests in Cuba. The Maine explodes in Havana Harbor, killing 266 men. An inquiry conducted by the U.S Navy concludes that the explosion was caused by the detonation of a mine under the ship.
Concept note-3: -In 1897, newly elected President William McKinley cautioned patience, but the explosion of the Maine shattered U.S. relations with Spain and led to a declaration of war on April 25, 1898. War with Spain caused the U.S. to rethink its long-held principle of anti-colonialism.
Concept note-4: -Maine was a United States Navy ship that sank in Havana Harbor on February 15, 1898, contributing to the outbreak of the Spanish–American War in April.
Concept note-5: -On April 21, 1898, the United States declared war against Spain. The causes of the conflict were many, but the immediate ones were America’s support of Cuba’s ongoing struggle against Spanish rule and the mysterious explosion of the U.S.S. Maine in Havana Harbor.