Answer:
late Neolithic Age, people made more technological advances. Toolmakers created better farming tools as the need for them arose.
Explanation:
Very few Written records(what little is written is untranslatable), as well as the fact that most of the civilization is below the water table
Were an incredibly complex society, with sweage systems, brick sizes, and others features.
The 13th amendment officially abolished slavery in America
Answer:
WWI -- Russia. Russia entered the first world war with the largest army in the world, standing at 1,400,000 soldiers; when fully mobilized the Russian army expanded to over 5,000,000 soldiers (though at the outset of war Russia could not arm all its soldiers, having a supply of 4.6 million rifles).
Explanation:
Russia entered World War I in the three days succeeding July 28, 1914 — beginning with Austria-Hungary's declaration of war against Serbia, a Russian ally. The threat to France caused Britain to declare war on Germany on August 4. ... The main belligerents had been established
Basalt was the natural feature that was important to the olmec people of san lorenzo
