Answer:
The space suit
Though the first man stepped on the moon in 1969, in the 1930s astronomers and physicists were already planning for the voyage to outer space. Emilio Herrera Linares, a Spanish military colonel, is credited with being the first to design a pressurised suit which was used in a high-altitude balloon flight in 1936.
The modern mop
While the mop isn’t the most glamorous of inventions, it certainly is one of the most useful. People had been using rags to wash floors since the 15th century but it was in the 1960s that the engineer Manuel Jalón Corominas had the idea to create a purpose-built mop with a bucket to ring the water out in.
Explanation:
that's just a few ^_^!!!
Answer: The Colonists were able to defeat the British in the American Revolution because of their brilliant strategies, helpful friends from another country, and most importantly, their desire for liberty.
Explanation:
Responding to xenophobic concerns, Congress passed an emergency law restricting immigration in 1921. Among other provisions, the Act established a quota (a proportional share of a total) for nationalities on the basis of their numbers in the U.S. in 1910.
The missing detail is: a quota.
What do you mean by that question
