The answer is a because they had many achevements and have many people
Answer:
The Pennsylvania Railroad, Bridge construction
steel,stel,steal,stele,stel,stiel
He invested in new technology.
Explanation:
Dollar Diplomacy, foreign policy created by U.S. Pres. William Howard Taft (served 1909–13) and his secretary of state, Philander C. Knox, to ensure the financial stability of a region while protecting and extending U.S. commercial and financial interests there.
The answer is Pan-Slavism