This is a complicated issue, but in general the US government did not do much to intervene in the German treatment of Jews during this time, mostly because there was a great deal of both isolationist and anti-Semitic sentiment in the US during this time.
C: Oregon became the first state west of the Rocky Mountains due to its rapid increase in population during the mid-1800s.
Answer:
Should they have a translation for people without that reading level
Explanation:
Cyanobacteria, also known as "blue-green algae", are the unicellular organisms which are able to produce oxygen.
Approximately 540 years ago, the atmosphere was very poor on oxygen. Cyanobacteria are thought to be responsible for the oxidization of the atmosphere back then, in an event known as <em>"The Great Oxygenation Event"</em>. As a result, Earth's life forms suffered drastic changes in their composition, as they evolved from being <em>anaerobic</em> to becoming organisms <em>highly dependant</em> on oxygen. The oxygenation of the atmosphere would eventually provide the adequate environment in order for the <em>Cambrian Explosion</em>, or the first diversification of living organisms, to happen.