Answer:
Metre. ... The metre is defined as the length of the path travelled by monochromatic light in a vacuum in 1299 792 458 of a second.
Explanation:
The ideas about government that early American
leaders could have learned from the Iroquois Confederation are having a
constitution and leaders that will work together to solve problems.
To add, The Iroquois are a historically powerful northeast Native American<span> confederacy
and they were known during the colonial years to the </span>French<span> as the "Iroquois League," </span>
America First is best known as the slogan and foreign policy advocated by the America First Committee, a non-interventionist pressure group against the American entry into World War II, which emphasized American nationalism and unilateralism in international relations.
The answer is d <span>get support from foreign countries to defeat the south</span>
<span>The answer is mobility.
Trench warfare was popular at the end of the 19th and beginning of the 20th century, Trenches, essentially large ditches men dug, and then took up defensive positions in, were very good at giving soldiers a place to hide from incoming automatic weapons fire and mortar strikes.
This however gave birth to "trench warfare", a style of combat relying on melee combat, short range weapons like shotguns, and worst of all, penetrating attacks the trenches couldn't protect from, such as shrapnel heavy grenades, flamethrowers, or even chemical weapon attacks.
Trench warfare was also terrible as the living conditions in the trenches often involved standing water, disease, and malnutrition.</span>
