Answer:
Sweet potato seeds.
Explanation:
Sweet potato is a plant originating from the Americas and it wasn't until after the discovery of the new continent that it spread all over the world.
However, there seems to have been a more ancient contact with the Americas, well before the European discoveries. Seeds of sweet potatoes were discovered on the Cook islands, proving to date as far as 1000 AD. This suggests that <em>Polynesians could have established some pre-Columbian contact and trade with Native Americans.</em>
Britain would not let them expand westward so when the treaty was signed they cold now expand towards the west<span />
Answer:
The full form of HARD is Helmet Assisted Radar Detection
Well climate change affects cold places much worse then hot places. Imagine you had ice and and dirt in your hand. From your body heat being climate change Wich would change more. The ice because it would melt in your hand changing the landscape and temperature around the area.