Who was O'Sullivan referring to when he wrote that other nations have come "between us and the proper parties to the case?" Who is "us" and who are "the proper parties?"

Brianliestttme : ) how did imperialism contribute to the start of world war i? germany was the first to attempt to expand their empire. germany's attempts to defend newly independent nations sparked conflict in europe. violent independence protests in colonized nations spread to the european continent. germany's attempts to build a global empire put them in conflict with other imperialist nations.

Need will give brainliest which of the following was the most significant aspect of revel's election to the senate?

Write two paragraphs to explain how the cold war changed after the 1960s. first, identify the ways it changed during leonid brezhnev's leadership in the 1970s. then, explain how the cold war changed when ronald reagan was in office in the early 1980s. include supporting facts and details from the text in your response.