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.
So that they could get the support of the black slaves that were all over the united states.
Answer:
A. The vikings were more curious than most EUROPEANS, B. The Vikings had the technology to sail long distance and D. The vikings reached Americas before other Europeans.
Explanation:
Leif Ericsson was the explorer who is believed to be the first European to arrive at the North American continent. He arrived in 1000 CE and established the first settlement called Vinland. He was son of Eric the Red, Eric is credited with the discovery of Greenland and building the first settlement there. His accounts had been passed down as legends through the vikings sagas. In 999CE, he was given the task to convert the Greenlanders to Christianity by the king Olaf first and while returning to Greenland from Norway he got off track and landed in North America. This discovery was a pure co incidence and was not funded by anyone.
Answer:
The best description would be that they were regularly attacked by the arabs eventually leading to the fall of the Byzantines and there empire and lead to the citys rename to istanbul which is still there in modern day middle east. It is The empire was regularly attacked by Arab Muslims. I hope this helped.
Explanation:
