Lines of Longitude is the answer
St. Patrick day is considered luckiest day for marriage, This is one of the weird marriage luck beliefs of Irish people. However, if the St. Patrick day falls in Saturday then it is not considered lucky to marry which is also one of the wedding superstition in Ireland that, Saturday is no luck day for marriage.
The answer is D. Most of it covers Mohammad's teachings
foreshadowing provides hints as to what will happen. it is often difficult to spot, but is noticed if looked for.
White expansion. War between Indians and the whites was very common because the whites seemingly had quite an appetite for the Indian land. Indians struggle to contain this aggressive expansion led to war with hope to reduce American settlement and expansion.