This statement is FALSE.
The European Union is constituted by 28 member states, and not all of them are republics. For example, Spain, Belgium and the Netherlands are constitutional monarchies.
It is not a partnership but a form of supranational integration. The level of integration is not as deep as the one that can be found in a federal country like the US. Its member states have established a common market, free movement of people and goods, a common currency, common foreign policy and even certain levels of political integration. Many other aspects such as the fiscal policy, are decided at the state level and the EU has no authority over them.
Yes, data is reliable for predicting the future because if you think about weather forecasts they use a huge chart of data to help foresee what the weather will be for the day after, the week after, and etc. This is only one of the examples for data being reliable. Especially if it's fastdata, actionable data, and so on.
Fair marketing... I m not sure tho
The 1993 constitution declares Russia a democratic, federative, law-based state with a republican form of government. State power is divided among the legislative, executive, and judicial branches. Diversity of ideologies and religions is sanctioned, and a state or compulsory ideology may not be adopted.