Well without full context I would assume Trench Warfare because thats what 3 1/2 of the 4 year wars where full of.
Answer: B.) Went extinct
Explanation:
Neandertals were a subspecies of the the ancestors of modern humans and they occupied Eurasia while they were alive up to 40,000 years ago.
It was originally thought that Europeans may have descended from them but this was found not to be true even though traces of their DNA exist in very small quantities in Europeans. Rather they went extinct due to multiple factors including possible conflict with modern humans.
The statement that best completes the diagram on modern democracy is C- Democratic governments pass laws to protect human rights.
<h3>How did modern democracy develop?</h3>
Modern democracy came about as a result of having to protect the rights of people to elect their own government.
These rights were considered human rights and when laws came about that protected them, modern democracy was formed.
Find out more on modern democracy at brainly.com/question/11290319
#SPJ1
<span>"C. Private firms cut canals at key points and connected
rivers" and "D. Thanks to a web of waterways, boats could reach towns they
had never been able to reach before" are both correct, although roads were beginning to be used more as well. </span>
