Alfred Wegener because Alfred Wegener first presented his hypothesis to the German Geological Society on January 6, 1912.
Answer:
Post-classical history (also called the post-antiquity era, post-ancient era, or pre-modern era) is a periodization commonly used by the school of "world history" instead of Middle Ages (Medieval), which is roughly synonymous.[1] The period runs from about AD 500 to 1450 though there may be regional differences and debates. The era was globally characterized by the expansion of civilizations geographically and development of networks of trade between civilizations
The Mexican military attacked some of the American forces stationed in Texas so the United States declared war against them on April 26 of 1846.President Polks declaration sent to congress stated that Mexico "invaded our territory, and shed American blood on the American soil."
The answer is for this is A