.
NN
penis
Poop sickles
because disieces
Both sides reached a stalemate which changed the conflict into a static war. Faced with trenches, barbed wire, machine guns, and using artillery, both sides would send whole waves of infantry to break the stalemate, with disastrous results in human life. Though the British were the first to use tanks, they were not used effectively.
penis
because the people were stupid
yes they all died
They got attacked and finally died out.
The attempts to grow rice in South Carolina failed at first because the settlers did not know how to properly harvest rice.
During World War I, the war's Western Front turned into a stalemate after initial advances by the German forces for primarily one reason. That reason is this: defensive technologies and tactics in the early 20th century were more advanced than offensive technologies; thus, offensive breakthroughs were either not possible or, where achieved, could not be sustained at length. Significant victories could only be achieved where some external element (e.g., egregious leadership mistake, troop demoralization, lack of supply) occurred, but these did not occur on the Western Front until 1918.
There are a multitude of reasons why cars could fail. Generally, it comes down to component failure.