- Standing Rock protests | Summary, Violence, Outcome | Britannica
The Standing Rock protests were a campaign undertaken in North Dakota in 2016 and 2017 to halt the construction of the Dakota Access pipeline Early resistance to the pipeline was launched by members of the Standing Rock Sioux Tribe, but over time the demonstrations drew thousands of supporters from all across the United States
- List of U. S. Cities | Britannica
The United States contains a highly diverse population Unlike a country such as China that largely incorporated Indigenous peoples, the United States has a diversity that to a great degree has come from immense and sustained global immigration Probably no other country has a wider range of racial, ethnic, and cultural types than does the United States
- Rock, Massachusetts, Colony, Map, History, Facts - Britannica
Plymouth, town (township), Plymouth county, southeastern Massachusetts, U S It lies on Plymouth Bay, 37 miles (60 km) southeast of Boston It was the site of the first permanent settlement by Europeans in New England, Plymouth colony, known formally as the colony of New Plymouth The town was founded by Pilgrims (Separatists from the Church of England) who, in their search for religious
- Rock and Roll Hall of Fame and Museum - Encyclopedia Britannica
Architect I M Pei designed the museum’s striking 150,000-square-foot (14,000-square-metre) glass-dominated building, an angular assemblage of geometric forms set on the shore of Lake Erie It opened to the public in 1995 In addition to the Hall of Fame, the facility includes a wide variety of frequently changing “permanent” exhibits that draw on the museum’s extensive holdings of
- Rock - Mechanical Properties | Britannica
Rock - Mechanical Properties: When a stress σ (force per unit area) is applied to a material such as rock, the material experiences a change in dimension, volume, or shape This change, or deformation, is called strain (ε) Stresses can be axial—e g , directional tension or simple compression—or shear (tangential), or all-sided (e g , hydrostatic compression) The terms stress and
- Rock | Definition, History, Artists, Songs, Facts | Britannica
rock, form of popular music that emerged in the 1950s It is certainly arguable that by the end of the 20th century rock was the world’s dominant form of popular music Originating in the United States in the 1950s, it spread to other English-speaking countries and across Europe in the ’60s, and by the ’90s its impact was obvious globally (if in many different local guises)
- Sedimentary rock | Definition, Formation, Examples, Characteristics . . .
Sediments and sedimentary rocks are confined to Earth’s crust, which is the thin, light outer solid skin of Earth ranging in thickness from 40–100 kilometres (25 to 62 miles) in the continental blocks to 4–10 kilometres in the ocean basins Igneous and metamorphic rocks constitute the bulk of the crust The total volume of sediment and sedimentary rocks can be either directly measured
- Rock and roll | History, Songs, Artists, Facts | Britannica
Rock and roll, style of popular music that originated in the United States in the mid-1950s and that evolved by the mid-1960s into the more encompassing international style known as rock music, though the latter also continued to be known as rock and roll Learn more about the history of rock and roll in this article
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