Great depression-1930's
World War I & II
I believe it was set in the 20th century. Though she mentions other years and centuries, the 20th is the main one.
It was used in refrigirators.
20th century music consists of a lot of characteristics. Here are a few examples: Repitition Tone/colour Phasing
There are a number of potential causes of global cooling. The two main causes are thought to be the heavy use of sulphate aerosols throughout the 20th century and changes to the tilt of earths axis altering the orbital path of the Earth.
The main reason that a global culture emerged in the 20th century was technology. Technology allowed many people with computers to connect with others across the world.
You might be referring to the 1800's when you state the "18th century". The 1800's was actually the 19th century. The 1900's was the 20th century. 1. For infantry fighting; the main change was from muzzle loading firearms/cannon in the 19th century to breech loading cartridge firearms/cannons in the 20th century; plus the machinegun (which would not be possible with muzzle loaders). 2. 20th century navies were all steel, had submarines, and aircraft carriers. 19th century was transitioning from wood to steel, with experimental subs, and on the drawing board aircraft carriers (dreams). 3. 20th century saw men fighting in the sky. That was only a dream before the 20th century.
The Israeli and Palestine have been in conflict since the early 20th century. The main reasons for conflict include borders, mutual recognition, water access, security, control of Jerusalem, and the refugee situation.
The Gold Rush qualifies as the main motivator during the late 19th century. Throughout the 20th century, increased economic growth was the main factor.
20th century music consists of a lot of characteristics. Here are a few examples: Repitition Tone/colour Phasing
Actually, Baseball was brought by the American Marines stationed and ultimately colonized Nicaragua in the early 20th century. Nicaragua was taken over by an American crazy named William Walker who declared himself King in the early 20th century.
Violence against women was one of the main focuses of the movement. Harassment, wife-beating, rape, and "dowry deaths"
to increase womens rights- voteing owning property working