9. Once the first declaration of war was made and the alliance system began to kick in, what other countries became
involved?

Austria-Hungary made first declaration of war against Serbia. An alliance system called the allied powers started to kick in United States, China, Soviet Union, France, Great Britain.

Explanation:

Because of assassination of the Austrian Prince Francis Ferdinand and his wife Sophia on June 28, 1914.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services

1.) question:

how was the agricultural revolution related to the industrial revolution?

d.) improved agriculture led to population growth, which increased demand for goods.

2.) question:

which of the following happened first in the events leading to american independence?

c.) the meeting of the first continental congress.

3.) question:

what was one advantage that cities offered businesses and industrialists?

answer:

d.) transportation networks

4.) question:

what economic philosophy developed in response to the problems of industrial workers?

a.) socialism

5.) question:

how does this image relate to the jacobins?

b.) the jacobins used this machine to scare and execute those who supported the king.

hope this !