A peninsula is an area of land (like Florida) that hangs off of land like an island but one part's connected. A tundra is wide open, flat land, like the Alaskan Tundra. A mountain range is a long string of mountains side by side like the Appalachians. And for mountain barriers (I'm not sure I fully understand but) it seems like theirs more dew and wind for example on one side of the mountain and the others the opposite because the mountain blocks it (not completely sure bout the mountain part but i think its right!). Ocean currents is the force of the wind blowing up against the sea, helping to create the waves, and of course the pull of the moon! Hope I helped! Sorry I can't help with the wind barriers part!
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Because work conditions were awful and pay was minuscule, forcing them to live on the streets or if they were lucky to live in a small box of an apartment. Owners abused their authority over their workers and because of this, the workers attempted to fight back. This was not met with friendliness, however, when the owners hired soldiers to wound and kill those who went strike.
