Misc: In 1990 Guitarist Stevie ---------- Vaughn dies in a helicopter accident. ?

Questions

What weapon was used by the Germans against Russia in 1915?

Which doctor loved Lara Antipova?

What kind of tree is Alexander the Greats entire army said to have sheltered under?

How many trouser legs are there in a standard Japanese kimono?

Which English word is a combination of the first 2 letters of the Greek alphabet?