Soldiers also made dugouts and funk holes in the side of the trenches to give them some protection from the weather and enemy fire. The front-line trenches were also protected by barbed-wire entanglements and machine-gun posts. Short trenches called saps were dug from the front-trench into No-Man's Land.
Answer:
The period of rule under the Song dynasty was a time of great advancements and invention. Some of the most important inventions in the history of Ancient China were made during this time including moveable type, gunpowder, and the magnetic compass. ... Gunpowder had a lasting impact on warfare.
They were slave states that decided not to join the confederacy and had storng ties to the north.
Explanation: True
The Pine Ridge Indian Reservation (Lakota: Wazí Aháŋhaŋ Oyáŋke), also called Pine Ridge Agency, is an Oglala Lakota Native American reservation located in the U.S. state of South Dakota.
