Basic Bootstrap classes not working!

Hello!
I’ve been playing with the them for a day now and I am not sure how to use any bootstrap commands/classes with it, or that it is possible at all.

Why are basic bootstrap classes like .row, .col-sm-12, .myCarousel not working as they do in bootstrap? Your theme has a great many options in the admin panel but I prefer to write my own code and to literally bootstrap items here and there with the WP php construct but it is not working… Is this on purpose? It kind of cancels the theme being on bootstrap if boostrap commands are not working? Or am I doing sth wrong?

Example 1: <div class=”row”> is left aligned and partially outside of the page instead of centered.
Example 2: <div class=”col-sm-12″> like .row does not follow the rest of the page but aligns left…
Example 3: When I add the code below to header.php, I get the first photo left aligned instead of centered over the rest of the page, and the controls and shadow expand way beyond the photo overlapping the header, menu and half the content. Additionally, the controls do not take me the next photo, nor is there an auto rotation: Here is a screenshot

<div class="myCarousel">
<section class="carousel-inner">
<div class="active item"><img src="<?php bloginfo('url'); ?>/img/1.jpg" alt=""></div>
<div class="item"><img src="<?php bloginfo('url'); ?>/img/2.jpg" alt=""></div>
<div class="item"><img src="<?php bloginfo('url'); ?>/img/3.jpg" alt=""></div>
</section>
<a href="#myCarousel"><span class="glyphicon glyphicon-chevron-left"></span></a>
<a href="#myCarousel"><span class="glyphicon glyphicon-chevron-right"></span></a>
</div>

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Thank you for your help!