According to the antitrust report, published in October $2020,"$ Amazo.$\text{'}$s acquisitions $-$ including of its direct competitors $-$ have been key to Amazon's attainment, maintenance, and expansion of market power."

Based on this comment from the report, which of the following best explains Amazon's business strategy?

Amazon's quick response to the action of its competitors has given it an edge in the market.

Amazon has successfully differentiated its product to enhance its market power.

Amazon is pursuing independent pricing strategies to expand its market share.

As more competitors lead to less market power, Amazon has acquired several competitors.