The Zimmerman Note was a note sent from Germany to Mexico asking Mexico to align itself with German interests. If the US entered the war and if Mexico opposed the US, the reward would be Arizona California and one other state -- perhaps Texas. It was a major contributor to the declaration of war on Germany by America.
The sinking of the Lusitania was another major event. When the Lusitania was sunk, 2000 people were affected.
Submarine warfare really aggravated the US. Many merchant ships were sunk.
Answer: B
He is best remembered for his political persecution of Puerto Rican Autonomistas<span> called </span>Componte, a term than means "to rectify" or "to pacify".[1]<span> His favorite detention centers were the jails at the </span>Ponce Military Barracks<span> in </span>Ponce<span> and the </span>Fort San Felipe del Morro<span> in </span>San Juan<span>. Amongst his most notable persecutions was that of </span>Román Baldorioty de Castro.[2]<span> Palacios was removed from office by the Spanish government and returned to </span>Spain<span> on 11 November 1887. His political prisoners were released on December 24, 1887</span>
Chemical weapons
Both sides developed lethal forms of chemical welfare that resulted to death of thousands in the trench war.Germany was the first to employ chemical weapons and it is estimated that over 10,000 tonnes of chemical gas, lethal and poisonous was blown.
Everyone was tense and tempers had been rising on both sides for weeks
If it is work the employment act or the federal laws