Answer:Sinking of American merchant ships
Explanation:In early 1917 Berlin forced the issue. Its declared decision on 31 January 1917 to target neutral shipping in a designated war-zone became the immediate cause of the entry of the United States into the war.
1. The people in wagons/horseback with regular clothing are the groups moving west. With them, they bring death/destruction.
2. They may be moving west for better job opportunities, freedom, or to explore.
3. The Native Americans and animals like bears/buffalo were already in the West. They are forced to flee, fight for their land, or even die.
4. The figure in the center of the painting is Lady Liberty. She may represent America as a whole + the way they brought their ideals, hopes, and technology to the West along with them.
5. John Gast likely did not believe that US expansion in the 1800s was justifiable b/c in this painting of his, he portrays some of the negative effects that American expansion had on several groups in the West. There is a pile of animal bones symbolizing death, and other animals, as well as Native Indians, can be seen running away from the people moving west, showing how American expansion caused many to leave their homes.
<span>"Improved land and water transportation allowed the U.S. to develop more industry and create a cash crop agricultural system." is the choice you're looking for. </span>
USSR (Russia) was led by Stalin
The presidential primary was begun in the early twentieth century, most strongly pushed by political reformers who wanted to take nominations out of the hands of party bosses.The presidential primary system <span>is used in almost all states. Correct answer:D</span>
