In the 1960s and 1970s, the U.S. witnessed a rise of public interest groups, due to the progressive spirit of the time where a good number of them established their offices after 1960 and opened their doors after 1970s. The interest groups comprised of: professional associations, public interest groups, business and agricultural groups, labor groups, ideological groups, and public-sector groups. Several factors determined the growth interest groups in the United States. First, The U.S. is heterogeneous in several aspects: its geography, climate, economic potential, culture, ethnicity, and religions. The heterogeneity resulted in political, socio-economic and cultural divisions which led to the evolution of several interest groups, each with unique objectives.
Answer:
Correct answer is A. The United States built a canal in Panama.
Explanation:
Option A is the correct one. President Roosevelt decided to create a canal after United States gained control of the area. They started building the channel in 1904, and was finished by 1914.
Option B is not correct as Latin American states weren't able to prevent United States to show their strength in this period.
Option C is not correct as United States prevented any new colonialism of continent.
Option D is not correct as United States totally had political control on the continent.
Answer:the answer is "A patriot"
Railroads on the Railways required tracks for the trains to run on them these tracks earlier made up of iron for its heavy duty but soon enough realise that iron was not a very good option for tracks. Meaning drawbacks of using iron for example rusting is it was realised that Steel was a better option in making railroads.
Steel being made out of iron is heavy duty material yet it is not much prone to rusting. Just addition of certain minerals and carbon in iron steel forging is done making it heavy duty material.