Why Did Germany Stop Its Submarines from Sinking Merchant Vessels

question 19

Multiple Choice

Why did Germany stop its submarines from sinking merchant vessels without warning in the summer of 1915?

• A) The United States entered the war.
• B) The Germans lost the U-38 during an attack on a Q-ship.
• C) The British bombed German submarine bases.
• D) The Germans sank the Lusitania passenger ship.

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Definitions:

Cell

The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

Turgor Pressure

The pressure of water pushing the plasma membrane against the cell wall of a plant or bacterium, providing rigidity to the cell.

Hypertonic

A solution that has a higher solute concentration than the cytoplasm of a cell, causing cell shrinkage.

Hypotonic

Describes a solution that has a lower concentration of solutes relative to the inside of a cell, causing water to enter the cell by osmosis.