How horizontals and vertical integration work? during gilded age

Horizontal and vertical integration made the gilded age for better  Performance. The gilded age is the age of transformation in industries, immigration, etc...

Explanation:

Horizontal integration means buying of companies that are similar to their companies. This made less competition among them.

Vertical integration means that the companies allowed to buy their companies. This will lead to the supply of raw materials and easy mode transportation for their products.

The Gilded age is the age of transformation in technology, industries, government.

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.

the answer to your question is c