Plant populations change over time by growing in size and diversity. They generally are the first part of an ecosystem after lichens (the pioneer species) and cause an ecosystem to flourish and allow for animals to move in. I don't know if this is the answer you were looking for but it should give you somewhat of a base.
Answer:
I mean...........he didnt give his sword because it was his sword...you cant rob someone you know
Explanation:
Well the l<span>ongbow, made the classic attack of sword, lance or joust useless, for the most part.
When someone could kill a soldier from a hundred yards, there was no need to get close enough for horse or foot soldier to fight
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Gunpowder brought in the canon, and this was a weapon that was effective even farther than the long bow.
It could kill multiple people at long range, plus, it made the stone castle obsolete, because canon balls could blast them apart.</span>
Building the Berlin Wall, preventing trains from traveling through east Germany. Stopping cars from getting through.
america declared war on japan and joined the allies
