What is the key ingredient in "ploughman's lunch" served in british and irish pubs?

Identify the reason each country wanted to go to war in the year before and during world war 1

Before leaving their ship anchored in cape cod bay, the pilgrims agreed to the terms established by which of the following: a) the fundamental orders of connecticut b) the declaration of independence c) the mayflower compact d) the constitution

Why did einstein write a letter to president roosevelt