This newly developed weapon used by Germany was the submarine.
I think the first one is the correct answer
On March third 1918, Lenin signed a peace treaty that withdrew Russia from WWI.
1. In the data set, the sum of all the data points, divided by the number of data points; the average. 2. To find the mean, you add up all the data, and then divide by the number of data.
The correct answers on Edgen are:
(1.) restoration of law and order
(3.) withdrawal of US forces from Vietnam
I just answered the question and these are right.