It was considered to be an anti-art. Dada artists didn't care about the status quo, they didn't care about art in traditional sense
US produced more aircraft during world war II than Germany, Japan and Italy combined. The labour groups and businessmen of America helped the government in increasing its world war II military aircraft production to record levels.
Germany, Japan and Italy could not match the amount of production of US car companies during world war II.
Despite the fact that the Spanish utilized some Hindu-Arabic images as right on time as the late 900s, records of a more broad utilization of these images happened around 1202. Italian mathematician Leonard of Pisa (otherwise called Fibonacci, c. 1170-c. 1250; for additional about Fibonacci, see somewhere else in this section, and furthermore in "History of Mathematics" and "Arithmetic all through History") presented the Hindu-Arabic numbers in his book Liber Abaci (The Book of the Abacus). The acknowledgment of such a numbering framework was troublesome. For instance, in a few places in Italy, it was taboo to utilize anything other than Roman numerals. By the late fifteenth century, a great many people in Europe were all the while utilizing a math device and Roman numerals.
The sixteenth century was the defining moment, with European dealers, surveyors, clerks, and vendors spreading the utilization of the Hindu-Arabic numerals. All things considered, it took more time to record information utilizing Roman numerals than with Hindu-Arabic numbers. The coming of the printing press likewise helped by institutionalizing the way the Hindu-Arabic numbers looked. By the eighteenth century, the "new" numeration framework was dug in, building up a framework that commands the way we work with and see numbers in the 21st century. (For more data about Hindu-Arabic and Roman numerals, see "History of Mathematics.")