<span>National emergencies, advances in technology, and demand doe services have increased congress's acceptance of liberal constructionists. </span>
Since the mid 20th century there has been a series of treaties and multilateral agreements between European countries which have led to the European Union as we know it today.
It all started as a commercial agreement to remove trade barriers for specific goods, and in 1951 the European Coal and Steel Community was created. The next step was the constitution of the European Economic Comunity (EEC) for free trade and the EURATOM Treaty to reach an agreement about nuclear energy. So far, the agreements only work towards economic integration.
But in was in 1992, in the Maastricht Treaty or Treaty of the European Union where the monetary union was designed, and also the fundamentals of the political integration of this club of countries, such as the citizenship and the common foreign and internal affairs policy. The Parliament started to have decision power.
In 1997, the treaty of Amsterdam reformed the institutions for the arrival of new countries, and the same did the Treaty of Nice whose purpouse was to enable proper functioning with 25 member states.
The last agreement was the Treaty of Lisbon in 2009, with the objective of making the Union more democratic, giving more power to the supranational institutions and deciding which issues were left to each countries goverment and which others should be decided by the UE institutions. Nowadays the UE is formed by 28 states.
Well you could look at their body language, like, the Goat is looking in a different direction from the camera so something has got it's attention, wether it can smell something interesting like food or it saw something like a mouse, it's up to you. The 2 boys in the picture are looking at the camera, suggesting that the person behind the camera could have said something like, "cheese" or "smile for the photo". The boy in the right looks like he might not have been too happy about the picture however the boy in the left, since he's smiling, he may be happy. Also the boy in the right has his hands together in a kind of close position which could suggest he isn't enjoying what he is doing. The only limit is your imagination. You can come up with a scenario by looking at facial expression or body language. Like if someone frowned at you and just froze. You could interpret that either they are angry at you for some reason or they could be in shock of seeing you.
The Oregon trail begin in Missouri and ended in Oregon
The ability of the compound microscope to remain relatively focused at higher powers once focused at a lower magnification is called
parfocal ability.
Parfocal capability is the ability of different eyepieces, such as telescopes or microscopes, to focus their images in the same plane. These eyepieces or lenses can then be interchanged without readjusting the instrument.
Parfocal refers to the ability to change objectives with differing powers and have the focus remain sharp. The distance from the top of the objective to the object being viewed is the parfocal distance.
DIN and JIS standard objectives are both parfocal but at different distances. For DIN it’s 45 mm; for JIS, 36 mm.
If you don’t know if yours is a DIN or JIS scope, you can check to see if it’s parfocal. Select a slide or object that can be sharply focused with the most powerful objective on your scope. Then switch to the less powerful objectives in order down to the lowest power. With a parfocal microscope, a slide that is in focus with the 40x objective will still be in focus when using less powerful objectives with little or no refocusing.
You can go from low to high powers to check parfocalization as well. But it's quicker going from high to low, since high-power objectives have very narrow ranges of focus and successively switching to lower powers (wider ranges of focus) will guarantee you’re very close to focus with parfocal objectives.
A similar term is parcentered. It means that objects will stay at or very close to the center of the field of view when changing objectives.
Learn more about parfocal ability here
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