Answer:
World War I popularized the use of the machine gun—capable of bringing down row after row of soldiers from a distance on the battlefield. This weapon, along with barbed wire and mines, made movement across open land both difficult and dangerous. so trench warfare was born
Explanation:
A. Eratosthenes
You can google it, if you want to.
Answer:
3: Offensive operations attacking the other side rarely succeeded.
Explanation:
Offensive operations rarely succeeded because of how strong the defensive sides were during the war.
This led to a stalemate on the Western Front
Answer:
the equation for a circle with center (5, -1) and radius of 4 is;
(x-5)²+(y+1)²=16
so its d.
The Kansas Nebraska Act affected the border states because the Kansas Nebraska Act was set in motion a plan that was supposed to decide the Kansas question through a peaceful democratic process.
Hope this helps