Throughout history technological developments have changed the way war has been fought.
Cannon made the large defensive castles of the middle ages obsolete.
Firearms made the suits of armor worn by medieval knights worthless.
Aircraft allowed nations to fight in the sky as well as on the ground, and bomb their enemies far behind any front line on the ground.
Small, portable anti-aircraft systems lead to stealth technology, and also changed how bombing campaigns were carried out, and have even lead to the use of weapon equipped drones.
Answer:
"ca", in this context means "circa", or "roughly". so, around the year 1200.
thus, the estimated population of London around 1200AD was 25,000
Explanation:
Answer: Citizens participation as a means of achieving social change is considered as one of the most impactful way these days. People in a democratic state have enough rights and voice that any concern or change with enough rights are considered as impactful.
We know now that Columbus was among the last explorers to reach the Americas, not the first. Five hundred years before Columbus, a daring band of Vikings led by Leif Eriksson set foot in North America and established a settlement
Someone who consumes or buys something from a person who gains profit
