a series of complicated factors caused the war, including a brutal assassination that propelled Europe into the greatest conflict the continent had ever known. The murder of Archduke Franz Ferdinand outraged Austria-Hungary. ... Austria-Hungary was furious and, with Germany's support, declared war on Serbia on July 28.
The answer is B. John Hay Hope this helps
For agriculture,and China people really favour rice,so if there is no land,there wouldn't be an exact place for them to plant for production of rice.
The Kansas-Nebraska Act was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders. The Act served to repeal the Missouri Compromise of 1820 which prohibited slavery north of latitude 36°30´.
Answer:
A cannon and soldiers on horseback.
Explanation:
From the description given by the Aztecs, it is likely that what they are seeing for the first time is a cannon and soldiers riding on horseback.
The Aztecs described it as "a thing that a ball of stone comes out of its entrails" and if it were aimed at a tree, "it shatters the tree into splinters", almost as if "the tree had exploded from within" which is a very good description of a cannon.
Also, they described something about men "dressing in iron" and their "deer carrying them" anywhere they wanted to go, which is a good description of armor-wearing soldiers on horseback.