<span>the process of receiving or giving systematic instruction, especially at a school or university.</span>
All days of the week are capitalized. Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday.
If you are asking if the word 'weekdays' is capitalized, then no, it's not. :)
Hope it helps you
A) the two sentences show the cause and effect. The cause were massive typhoons and the effect was that invading ships were sent home.