Siberian tiger / Amur tiger (Panthera tigris altaica) 1  The Siberian tiger is the largest living representative of felids, and one of the largest felids that have ever lived. 2  It is usually taller than the Bengal tiger by 5-10 cm (2-4 in). 3  Stripes on fur are unique for each individual, they play the same role as fingerprints.
Causes of the Mexican War. Leading causes of the Mexican War included: 1  Texan Annexation. 2  Mexico had warned it would regard annexation as an act of war. 3  When it took place, Mexico did not declare war, but broke diplomatic relations. 4  The Boundary Dispute.
A minority believes the war arose simply out of Mexico's failure to pay claims for losses sustained by U.S. citizens during the Mexican War of Independence. Mexican Politics. At the time of the war, Mexico had a highly unstable government.