Roman concrete is very similar to what we use today. It was used to build structures and many buildings. It was revolutionary at the time as not many things were made of something such a concrete. The Romans proved to be much more advanced than other people and a leader in the world at the time.
<span>The Japanese reached Guadalcanal in May 1942. When the allied forces spotted construction of an airfield on Guadalcanal, It was one of the most hotly contested campaigns for control of the ground, sea and skies of the war. Guadalcanal became a major turning-point in the war as it stopped Japanese expansion.
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Answer: Emperor Constantine
Explanation: In 313 AD, the Emperor Constantine issued the Edict of Milan, which accepted Christianity: 10 years later, it had become the official religion of the Roman Empire.
Answer: The 20th century, in its beginnings, evidences the prolongation of the historical conditions of the previous century, but its own profile of the time is defined within the framework of the revolutionary impulse of the industry, the changes in the agricultural system, the advances in science and the technology.
The 21st century is characterized by the advance and expansion of digitization and control of information at a global level.
Explanation:
