Why did the trench warfare lead to a sralemate on the western front

Which of the following is most likely the biggest result of the women’s rights movement

Between 1870 and 1916, approximately how many immigrants came to the united states? 10 million 25 million 75 million 125 million

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.