The answer to this question could be:
God: He physically formed this world and shaped it.
The above answer is a possible one, and certainly believed by many. The question itself is ambiguous and could be an inquiry as to who has helped shape the social/cultural world as we know it. If so, a perusal of the top 100 thinkers, discoverers, inventors, warriors, reformers and leaders in history would be helpful.
On another level, the question may be assuming facts not in evidence, that is, it is assuming the world was physically shaped by a conscious being.
Traditional science would say that there was no "shaper", that forces studied in the field of physics explain it's shape. Even many religions would have a Creator starting the Universe, and laws of physics shaping it after that.
Some certainly did. Some were insignificant.
The Cold War utterly dominated world politics from 1945 to 1990, hence, it was extremely influential.
It makes the country come together It revolutionized warfare and shaped the way all future wars would (and would not) be fought.
Niagara Falls
INDIAN CULTURE HAS BEEN shaped by its long history and the absorption of customs, traditions and ideas from ancient heritages, which were formed during the Vedic age. Indian diversity is visible in its people, religions, customs, and traditions which differ from place to place in the world, but nevertheless possesses a commonality. For source see related link..
The world is shaped like a sphere.
No. It is round.
Microscopes have shaped the world as it has made the environment a better place. It has helped scientists to find out about small bacteria and organisms. It has also helped them to make the periodic table.
It shapes are world by being 75% of are earth.
The values that fast-food represents and the way it has shaped the world [APEX]
There are a great many things in the world that can be shaped like a hexagon. Stop signs can for example.
A globe!
One of several wedge shaped peninsulas around the world is called the Istrian Peninsula.
uh, a pyramid.
cuttlefish
An S-shaped curve is called a sigmoid curve. This term is used throughout the mathematical world and in healthcare settings.
She shaped history by being the first woman to fly almost all the way around the world solo.