Answer:
the correct answer is trading
Explanation:
i just did the practice
Answer:
They are elected by secret ballot
Explanation:
The stalemate continued for so long in World War I because of technological advancement, new types of warfare, new types of weapons, incompetent generals, and the similarity of strength of both sides. These reasons contributed to the long stalemate and long bloodshed between Central and Allied Powers.
Are you solving for y or x?