The four main causes were: militarism, alliances, imperialism and nationalism - or as an acronym, M-A-I-N (this made it much easier for me to remember the causes)
Answer:
The Paleozoic (or Palaeozoic) Era "old" and zōḗ, "life", meaning "ancient life") is the earliest of three geologic eras of the Phanerozoic Eon. It is the longest of the Phanerozoic eras, lasting from 541 to 251.902 million years ago, and is subdivided into six geologic periods (from oldest to youngest): the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. The Paleozoic comes after the Neoproterozoic Era of the Proterozoic Eon and is followed by the Mesozoic Era.
Explanation:
It's a very long sentence with a lot of information, but it is still only a simple sentence (option b): it has only one verb (taught). In order to qualify as a complex or compound-complex sentence, it would have to have at least 2 phrases, each with a different verb.
<span>Because of the prohibition of the First Amendment against the enactment of any law "respecting an establishment of religion," which is made applicable to the States by the Fourteenth Amendment, state officials may not compose an official state prayer and require that it be recited in the public schools of the State at the beginning of each school day -- even if the prayer is denominationally neutral and pupils who wish to do so may remain silent or be excused from the room while the prayer is being recited. Pp. 422-436. </span>